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{{MoreImages}}
{{species infobox
{{rewrite-expand}}
|image=[[File:DrMarioWorld - Viruses.png|300px]]<br>A group of viruses from ''[[Dr. Mario World]]''
{{character-infobox
|first_appearance=''[[Dr. Mario (game)|Dr. Mario]]'' ([[List of games by date#1990|1990]])
|image=[[File:Viruses.gif|The three types of '''Viruses''']]
|latest_appearance=''[[WarioWare: Move It!]]'' ([[List of games by date#2023|2023]])
|first_appearance=''[[Dr. Mario (game)|Dr. Mario]]'' ([[List of Mario games by date#1990|1990]])
|variants=[[Dizziness Virus]]<br>[[Floatie virus|Floatie Virus]]<br>[[Wheel Virus]]
|latest_appearance=''[[Mario & Luigi: Dream Team]]'' ([[List of Mario games by date#2013|2013]])
|notable=[[King Virus]]
}}
}}
 
{{quote|I wanted to enjoy a nice day with my pal [[Toad (species)|Toad]], but it turns out he's feeling under the weather. Huh? Do you think it's my fault? Probably not, but I still feel bad about it!|'''Red'''|''[[Dr. Mario World]]'' official social media accounts}}
A '''Virus''' is a germ enemy found in the ''[[Dr. Mario (game)|Dr. Mario]]'' series. The Viruses usually attack the [[Mushroom Kingdom Hospital]]. [[Dr. Mario (character)|Dr. Mario]] however, uses [[Megavitamin]]s to defeat the Viruses.
A '''virus''' is a germ-based enemy found in the ''[[Dr. Mario (series)|Dr. Mario]]'' series. Viruses most often appear in three colors &ndash; '''Red''', '''Blue''', and '''Yellow''' &ndash; however, in later games in the series including ''[[Dr. Luigi]]'' and ''[[Dr. Mario World]]'', a larger variety of colors and types are present. To defeat a virus, usually [[Dr. Mario]] must line up three [[Capsule]] pieces of the same color next to the virus of that color. The virus, along with the capsules, will then disappear. In most ''Dr. Mario'' games, after clearing one jar of viruses, Dr. Mario will move to the next one, with each jar containing increasingly more viruses.
 
Viruses come in three colors: Red ('''Fever''', which causes heat), Blue ('''Chill''', which can manipulate the cold), and Yellow ('''Weird''', which can morph people into different shapes or species). To defeat a Virus, Dr. Mario must line up three Megavitamins of the same color next to the Virus of that color. The Virus, along with the Megavitamins, will then disappear. After clearing one jar of Viruses, Dr. Mario will move to the next one, with each jar containing increasingly more Viruses.


==History==
==History==
===''Dr. Mario'' series===
===''Dr. Mario'' series===
====''Dr. Mario''====
====''Dr. Mario''====
[[Image:VirusCreepyOhMy.PNG|frame|left|Earlier artwork of the Viruses used for American releases of ''Dr. Mario''.]]
{{multiframe
''Viruses'' first appeared in the [[Nintendo Entertainment System|NES]] and [[Game Boy]] game ''[[Dr. Mario (game)|Dr. Mario]]'', where they are small germs that Dr. Mario must eliminate. To do this, he uses Megavitamins, which can come in combinations of their colors (Red, Blue and Yellow), Four of these Megavitamins must be stacked on top of a virus of the same color to eliminate it. As the difficulty increases, the number of viruses also increase.
|[[File:Dr. Mario - Blue Virus alt.png|60px]][[File:Dr. Mario - Red Virus alt.png|60px]][[File:Dr. Mario - Yellow Virus alt.png|60px]]|Earlier artwork of the viruses used for Western releases of ''[[Dr. Mario (game)|Dr. Mario]]''|size=180
 
|align=left
In the [[Game Boy]] version due to the system being incapable of displaying bright colors, Viruses appear in Black, White and Grey. The White virus resembles the Yellow virus, but the Black and Grey virus look different from the Red and Blue virus.
}}
<br clear=all>
[[File:Virus movements.gif|thumb|60px|The viruses' general animations in ''Dr. Mario'']]
{{multiple image
|align=left
|direction=horizontal
|footer=Black (red), gray (blue), and white (yellow) viruses from ''Dr. Mario'' (Game Boy)
|width=20
|image1=DMGBBlackVirusSprite.png
|alt1=''Black (Red) Virus''
|image2=DMGBGrayVirusSprite.png
|alt2=''Gray (Blue) Virus''
|image3=DMGBWhiteVirusSprite.png
|alt3=''White (Yellow) Virus''
}}
Viruses first appeared in ''[[Dr. Mario (game)|Dr. Mario]]'' and were retained in its editions in ''[[Tetris & Dr. Mario]]'' and ''[[Dr. Mario & Puzzle League]]''. They are small germs that have to be eliminated by [[Dr. Mario]] using vitamin capsules, which can come in combinations of their colors (red, blue, and yellow), four of these capsule pieces must be stacked on top of a virus of the same color to eliminate it. As the difficulty increases, the number of viruses will also increase. In the [[Game Boy]] version, viruses appear in black, white, and gray because the system does not support color graphics; the black virus resembles the red virus, the gray virus resembles the blue virus and the white virus resembles the yellow virus. Because the simple monochrome display of the Game Boy is only able to show a few shades of gray, the black and gray viruses lack the black sclera that the red and blue viruses had, and hence look marginally different. In the high-level ending, the viruses are seen on a tree before being beamed up by a UFO.
{{br}}


====''Dr. Mario 64''====
====''Dr. Mario 64''====
Viruses appears again in ''[[Dr. Mario 64]]'', and they play the same role as before. The way to beat them stays the same too.
{{multiple image
|align = right
|direction =horizontal
|footer = Viruses from ''[[Dr. Mario 64]]''
|width = 32
| image1 = NPCBlueVirusSprite.png
| alt1 = ''A blue virus''
| image2 = NPCRedVirusSprite.png
| alt2 = ''A red Virus''
| image3 = NPCYellowVirusSprite.png
| alt3 = ''A yellow virus''
}}
Viruses appear in ''[[Dr. Mario 64]]'' and ''[[Nintendo Puzzle Collection]]'', having the same role as before. The way to beat them stays the same, too. ''Dr. Mario 64'' adds a Flash mode, where one virus of each color is flashing, and two players compete to clear the flashing viruses with numerous other viruses in the way.


====''Dr. Mario Online Rx''====
====''Dr. Mario Online Rx''====
Viruses also appear in the [[WiiWare]] game ''[[Dr. Mario Online Rx]]'', where they act like they do in ''Dr. Mario''. They are also seen fighting [[Mii]]s in the Germ Buster game.
[[File:Viruses Dr Mario Online Rx.png|thumb|left|100px|Viruses from the title screen of ''Dr. Mario Online Rx'']]
Viruses also appear in ''[[Dr. Mario Online Rx]]'', where they act like they do in ''Dr. Mario''. They are also seen fighting [[Mii]]s in the Virus Buster game.
{{br}}


====''Dr. Luigi''====
====''Dr. Luigi''====
{{newsubject-section}}
{{multiple image
Viruses recieve an updated look in the [[Wii U]] Nintendo eShop exclusive, [[Dr. Luigi]] exclusive to the eShop. This time they can be defeated by L-shaped Megavitamins in the mode Operation L. Blue, red, and yellow viruses also appear.
|align=right
|direction=horizontal
|image1=Virus Artwork - Dr. Luigi.png
|width1=115
|caption1=The cyan virus, Dizzy
|image2=Red_Virus_Artwork_-_Dr._Luigi.png
|width2=100
|caption2=The magenta virus, Confused
|image3=Yellow Virus Artwork - Dr. Luigi.png
|width3=117
|caption3=The alternative yellow virus, Drowsy
}}
Three new viruses with two new virus colors, cyan and magenta, appear in the [[Wii U]] game, ''[[Dr. Luigi]]'', exclusive to the [[Nintendo eShop#Wii U|Nintendo eShop]]. The classic blue, red, and yellow viruses appear in the "Retro Remedy" mode by default, while new viruses &ndash; a cyan virus ('''Dizzy'''), a magenta virus ('''Confused'''), and an alternative yellow virus ('''Drowsy''') &ndash; appear in the new Operation L mode by default. The colors of the viruses in this game are based off {{wp|CMYK color model|CMYK printing}} colors.
 
====''Dr. Mario: Miracle Cure''====
[[File:Dr. Mario Miracle Cure.png|thumb|200px|left|Basic gameplay of Dr. Mario mode in ''Dr. Mario: Miracle Cure'']]
The standard three viruses return in ''[[Dr. Mario: Miracle Cure]]'', in the same role as past games. Even though Dr. Luigi and the Operation L gameplay return in this game, the new viruses seen in ''Dr. Luigi'' do not.
 
====''Dr. Mario World''====
The standard three viruses returned in ''[[Dr. Mario World]]'', along with four new green, purple, light-blue, and pink viruses. The three classic viruses also received a new design reminiscent of their in-game appearance from ''Dr. Mario'', and were prominently featured in the promotional video series for the game, ''[[Virus Vid]]''. Although there were seven types of viruses, they did not appear in all stages. In the regular stages, three out of red, blue, yellow, green and light-blue would appear throughout that World. Pink viruses exclusively appeared in challenge stages and special stages. Purple viruses were absent in stages and only appeared on the world map.
 
Viruses could come with new gimmicks in ''Dr. Mario World'', such as being frozen in [[ice]], encased in [[bubble]]s, protected by cages that could be unlocked with [[lock block]]s, or hidden by [[Cloud (object)|cloud]]s and [[dust virus|dust]]. A variant called the [[floatie virus]] could teleport away from a matched pill to another location on the grid. Unlike the other ''Dr. Mario'' games where a match of four in a row or column involving capsules are required to eliminate them, the viruses in this game required a capsule match of three in a row or column to eliminate (such as two viruses and one capsule piece of matching color).
 
Videos for ''Dr. Mario World'' feature Red, Blue, and Yellow. One of the three can wander onto the screen, and comment on the features of the game. The Virus(es) involved usually change between segments of a video. They also sometimes got eliminated to line up with the events on the screen. Sometimes, the events of the screen affect them more literally, such as a [[Shell]] pushing Red off the screen or [[Luma|Dr. Luma]]'s skill warping Red upward on the screen. "The Welcome to Dr. Mario World" and "Dr. Mario World Multiplayer Introduction" videos have more involvement from them, sometimes having more than one Virus commentating and using voice acting as in the ''Virus Vid'' series. The transitions for all of these videos used footage from ''Virus Vid'', modified to reflect the content.  The rebranding of the videos starting from August 2020 removed this element. The characters also communicated on the social media accounts of ''Dr. Mario World''.


===Nintendo Comics System===
===''Nintendo Comics System''===
The Viruses appeared as the main antagonists in [[Nintendo Comics System]]'s adaptation of ''Dr. Mario'' entitled "[[The Doctor Is In... Over His Head]]". It was this appearance that named the Red Virus ''Fever'', the Blue Virus ''Chill'', and the Yellow Virus ''Weird''.
The viruses appear as the main antagonists in ''[[Nintendo Comics System]]''{{'}}s adaptation of ''Dr. Mario'' entitled "[[The Doctor Is In... Over His Head]]." This appearance names the red virus '''Fever''', the blue virus '''Chill''', and the yellow virus '''Weird'''.


In the same episode, the Viruses are given special powers: Chill can manipulate the cold, Fever can control heat, and Weird can forcibly morph others into different shapes and creatures.
In the same comic, the viruses are given special powers: Chill can manipulate the cold, Fever can control heat, and Weird can forcibly morph others into different shapes and creatures.


===''Club Nintendo''===
===''Club Nintendo''===
Two Viruses can briefly be seen inside [[Bowser]]'s stomach in the ''[[Club Nintendo]]'' comic "[[Süße Weihnachten]]". They symbolize his sickness after having eaten too much.
Two viruses can briefly be seen inside [[Bowser]]'s stomach in the ''[[Club Nintendo (magazine)|Club Nintendo]]'' comic "[[Süße Weihnachten]]." They symbolize his sickness after having eaten too much.
 
===''Super Mario Bros. & Friends: When I Grow Up''===
A Blue Virus appears on the Scientist page in ''[[Super Mario Bros. & Friends: When I Grow Up]]''.
 
===''Super Smash Bros.'' series===
Viruses commonly appear as collectible items in the [[Super Smash Bros. (series)|''Super Smash Bros.'' series]]. In ''[[Super Smash Bros. Melee]]'', a Red, a Blue, and a Yellow Virus are all featured together within a [[Trophy (Super Smash Bros. series)|trophy]], which can be obtained when it appears at random in one of the game's single-player modes. In ''[[Super Smash Bros. Brawl]]'', a Blue Virus, a Red Virus, and a Yellow Virus each have their own [[Sticker (Super Smash Bros. Brawl)|sticker]]: the Blue Virus sticker boosts electric attacks by five points; the Red Virus sticker boosts fire-based attacks by twenty points; and the Yellow Virus sticker increases the amount of {{iw|smashwiki|damage}} recovered after eating [[food]] by 4 points. All three stickers can be used by any fighter in [[smashwiki:Adventure Mode: The Subspace Emissary|The Subspace Emissary]] by any fighter. In ''[[Super Smash Bros. for Wii U]]'', there is a randomly obtainable trophy of all three Viruses, similarly to ''Super Smash Bros. Melee''. In ''[[Super Smash Bros. Ultimate]]'', the Viruses all appear as an Advanced-class {{iw|smashwiki|support spirit}} that occupies one support slot, and reduces the damage taken from poison-based attacks when used. In [[smashwiki:Adventure Mode: World of Light|World of Light]], the [[Spirit (Super Smash Bros. Ultimate)|spirit]] is encountered on {{iw|smashwiki|The Light Realm}}, near Riki's Dojo. The spirit's [[smashwiki:False character|puppet fighters]] are three [[Kirby]]s, each colored after one of the viruses, and the battle takes place on the {{iw|smashwiki|Battlefield form}} version of the [[Mario Bros. (stage)|Mario Bros.]] stage.


===''WarioWare'' series===
===''WarioWare'' series===
In ''[[WarioWare, Inc.: Mega Microgame$!]]'', one of [[9-Volt]]'s [[microgame]]s called [[Dr. Mario (WarioWare, Inc.: Mega Microgame$!)|Dr. Mario]] is based on the game ''Dr. Mario'', and the player must defeat the Viruses using Megavitamins, just like in the game. There is also a minigame in the same game called [[Dr. Wario]], which is a Wario version of ''Dr. Mario'', where the Viruses look different. In ''[[WarioWare: Twisted!]]'' in the microgame [[Weird Science]], a blue Virus makes an appearance.
{{multiple image
|align = left
|direction =horizontal
|footer = Viruses in [[Dr. Wario]], featuring a different look
|width = 24
| image1 = WWIMMBlueVirusSprite.png
| alt1 = Blue Virus
| image2 = WWIMMRedVirusSprite.png
| alt2 = Red Virus
| image3 = WWIMMYellowVirusSprite.png
| alt3 = Yellow Virus
}}
[[File:Weird Science.png|thumb|[[Weird Science]]]]
In ''[[WarioWare, Inc.: Mega Microgame$!]]'', one of [[9-Volt]]'s [[microgame]]s called [[Dr. Mario (WarioWare, Inc.: Mega Microgame$!)|Dr. Mario]] is based on the game ''Dr. Mario'', and the player must defeat the viruses using capsules, just like in the game. There is also a minigame in the same game called [[Dr. Wario]], which is a Wario version of ''Dr. Mario'', where the viruses look different. In ''[[WarioWare: Twisted!]]'' in the microgame [[Weird Science]], a blue virus makes an appearance. ''[[WarioWare Gold]]'' features another Dr. Mario microgame [[Dr. Mario (WarioWare Gold)|under the same name]], where the player must tilt the game system to defeat a row of three Viruses.
{{br}}


===''Mario & Luigi'' series===
===''Mario & Luigi'' series===
====''Mario & Luigi: Superstar Saga''====
====''Mario & Luigi: Superstar Saga'' / ''Mario & Luigi: Superstar Saga + Bowser's Minions''====
{{MLinfobox
{{multiframe
|name=Virus
|[[File:Red Virus SSS.png]] [[File:Blue Virus SSS.png]] [[File:Yellow Virus SSS.png]]<br>[[File:MLSSBMVirusRed.png]] [[File:MLSSBMVirusBlue.png]] [[File:MLSSBMVirusYellow.png]]
|align=left
|Sprites of the viruses between games
|image=[[File:MLSS_RedVirus.gif]][[File:MLSS_BlueVirus.gif]][[File:YellowVirus.gif]]
|size=150
|hp=36
|align=right
|speed=40
}}
|def=80
Viruses appear as enemies at [[Woohoo Hooniversity]] in ''[[Mario & Luigi: Superstar Saga]]'' and its [[Nintendo 3DS]] remake, ''[[Mario & Luigi: Superstar Saga + Bowser's Minions]]''. They appear in all three colors and attack in groups - each color virus has different stats (e.g. Red Viruses have the highest [[Power|POW]] and lowest [[Defense|DEF]]).
|exp=22
 
|coins=4
Viruses attack by charging at Mario or Luigi and chewing on their heads, which may [[Poison (status effect)|poison]] them and can be countered by using the [[hammer]]. When hit by [[Mario]] or [[Luigi]], they will change into a different color: a Red Virus that is hit will become a Blue Virus, a Blue Virus will become a Yellow Virus, and a Yellow Virus will become a Red Virus. If all Viruses in a battle have a matching color, they will be instantly defeated, as a callback to how they are beaten in ''Dr. Mario''. In ''Mario & Luigi: Superstar Saga + Bowser's Minions'', a small portion of the [[Fever]] theme plays when this occurs.
|item=[[Steady Badge]]
 
|location=[[Woohoo Hooniversity]]
The Red Virus takes critical damage from [[Thunderhand]] and [[Thunder Bros.]], while the Blue Virus takes critical damage from [[Firebrand]] and [[Fire Bros. (move)|Fire Bros.]], and the Yellow Virus is healed if hit with either element. If an Advanced [[Swing Bros.]] attack is used against a Yellow Virus, or it is defeated with the [[Game Boy Horror SP]] equipped, it will drop a [[Steady Badge]].
 
====''Mario & Luigi: Bowser's Inside Story'' / ''Mario & Luigi: Bowser's Inside Story + Bowser Jr.'s Journey''====
{{multiframe
|[[File:M&LBISBlueVirusSprite.png]] [[File:MLBISBJJBlueVirus.png]]
|size=120
|Sprite of the Blue Virus between games
|align=right
}}
}}
Viruses also appear in ''[[Mario & Luigi: Superstar Saga]]''. In this game, Viruses roam the halls of [[Woohoo Hooniversity]], [[Cackletta]]'s temporary base-of-operations. Viruses appear in all three colors and attack in groups. However, in this game, Viruses can change color. In fact, when hit by [[Mario]] or [[Luigi]], a Virus will assume a different color. When all the current Viruses in-battle match in color, they will be instantly destroyed, somewhat similar to the way they are defeated in ''Dr. Mario''.
The blue virus makes a cameo in ''[[Mario & Luigi: Bowser's Inside Story]]'' and its [[Nintendo 3DS]] remake, ''[[Mario & Luigi: Bowser's Inside Story + Bowser Jr.'s Journey]]''. After knocking out all the body segments of a [[Toothy]], the Toothy attacks by spitting out a blue virus holding a small spear to attack the player.


====''Mario & Luigi: Bowser's Inside Story''====
In the [[Toadley Clinic]]'s lobby, there is a {{wp|No symbol|prohibition sign}} on the wall featuring a blue virus.
The Blue Virus makes a minor cameo in ''[[Mario & Luigi: Bowser's Inside Story]]''. After knocking out all the body segments of a [[Toothy]], the Toothy attacks by spitting out a Blue Virus holding a spear to attack the player.


In the [[Toadley Clinic]]'s lobby, there is a sign on the wall that shows a blue Virus in a red circle with a "/" through it (similar to a "no smoking" or "no pets" sign).
<br clear=all>
====''Mario & Luigi: Dream Team''====
====''Mario & Luigi: Dream Team''====
{{dtenemy
[[File:MLDT Virus.png|frame|right]]
|name=Virus
Viruses appear in ''[[Mario & Luigi: Dream Team]]'' as enemies. They can be found in [[Dozing Sands]], [[Wakeport]], [[Mount Pajamaja]], and [[Mushrise Park]], but only in sections made accessible during the [[Ultibed]] part hunt.
|image=[[File:MLDT Virus.png]]
 
|location=[[Mount Pajamaja]], [[Dozing Sands]], [[Mushrise Park]], [[Driftwood Shore]], [[Wakeport]]
In the field, Viruses chase Mario and Luigi upon sight. Sometimes, they trip and fall over, which can occur directly after chasing or randomly on their own.
|level=24
 
|hp=106
In battle, Viruses appear in a group of 16, the highest number enemies seen in a single real world battle. Viruses change color whenever they are damaged, much like how they did in ''Mario & Luigi: Superstar Saga''. The pattern they go in is from blue to yellow to red and back to blue again, repeating itself. If one attack hits a virus multiple times, the Virus changes color for each hit. [[Counterattack]]s do not cause colors to change. When three or more Viruses of the same color are next to each other after an attack ends, those Viruses are defeated instantly, also like in ''Mario & Luigi: Superstar Saga''. If a Virus is defeated, the ones behind it will move forward to the front if possible. They are also one of the very few enemies who can inflict the [[Tiny (status effect)|Mini]] status on the Bros. which decreases their Attack and Defense and shrinks them. Red Viruses can inflict [[POW-Down]], yellow Viruses can inflict [[DEF-Down]], and blue Viruses can inflict [[SPD-Down]].
|power=168
 
|defense=230
Viruses have two attacks. One attack has the group form two rows, one in the foreground and one in the background. The rows may not be of equal length. The rows move simultaneously, in one of the cardinal directions, taking only a couple of steps each time. The lines always move left or right together, but can can move up or down together or in opposite directions. The up and down movement will cause the lines to pass through one or both of the Mario Brothers' positions. This can be dodged by jumping when appropriate. Landing on a Virus damages it and causes it to leave the formation, but the viruses will close the gap. If this puts three or more Viruses of the same color together, those Viruses disappear.
|speed=71
 
|experience=30
The other attack has the Viruses circling the Bros. in a single file line. Mario and Luigi have to hammer all of the Viruses, knocking them into a stack. If three Viruses of the same color land on the stack consecutively, they disappear. If the Viruses circle the Bros. enough times, then the unhammered Viruses jump onto the Mario Brothers. They can still be hit by the hammer, but the speed and potential number of Viruses makes this difficult to counter.
|coins=6
 
|coinrate=100%
Viruses are dangerous enemies, as the Mini and DEF-Down statuses they inflict do stack. With both effects, the damage dealt by a Virus to a Bro can easily turn into a one-hit KO (999+ damage). Due to their reactions to counterattacks, they can be defeated with counterattacks even while using a [[Boo Biscuit]].
|itemdrop=Secret Box (5%)
 
|raredrop=POW Mush Jam (1%)
===''Mario Kart'' series===
|related=
====''Mario Kart Arcade GP'' subseries====
In ''[[Mario Kart Arcade GP]]'' and its two sequels, ''[[Mario Kart Arcade GP 2]]'' and ''[[Mario Kart Arcade GP DX]]'', there are two blue Virus related items: [[Wheel Virus]] and [[Dizziness Virus]]. The first and third titles include both, while the second only has the Dizziness Virus.
<gallery>
Driver Virus.png|[[Dizziness Virus]] (''[[Mario Kart Arcade GP]]'')
MKAGPDX Driver Virus.png|[[Wheel Virus]] (''[[Mario Kart Arcade GP DX]]'')
MKAGPDX Dizziness Virus.png|Dizziness Virus (''Mario Kart Arcade GP DX'')
</gallery>
 
====''Mario Kart Tour''====
[[File:MKT MagniflyingGlass Texture.png|thumb|Texture of the viruses as seen in the [[Magniflying Glass]] glider]]
The red, blue, and yellow viruses from ''Dr. Mario World'' appear in ''[[Mario Kart Tour]]'' on the [[Magniflying Glass]] and its [[Pink Magniflying Glass|pink variant]].
 
===Other appearances===
Viruses appear as enemies in the unlockable minigame Virus Buster (also known as Germ Buster) for ''[[List of references in Nintendo video games#Brain Age 2: More Training in Minutes a Day! (DS)|Brain Age 2: More Training in Minutes a Day!]]'', which was later included in ''[[Dr. Mario Online Rx]]'' and all subsequent titles in the ''Brain Age'' series.
 
Viruses also make a small cameo in the obscure [[Super Nintendo Entertainment System|Super Famicom]] game ''[[List of references in third-party video games#Motoko-chan no Wonder Kitchen (Super Famicom)|Motoko-chan no Wonder Kitchen]]'', appearing in a cut-scene for mayonnaise 'facts'.<ref>[http://youtu.be/I3tZ5FyWorE?t=28m17s Motoko Chan no Wonder Kitchen gameplay]</ref> They also cameo in [[Nintendo Monopoly]], appearing on one of the Coin Block (Community Chest) cards. Viruses are also referenced in ''[[Super Paper Mario]]'' when a [[Shayde]] says he was killed for an illness caused by multicolored viruses. Of all the virus colors, the blue virus is the one with the most appearances and cameos.
 
As part of the promotion for the release of ''Dr. Mario World'', three T-shirts modeled after the main three viruses were released on July 19, 2019 as a gift in ''[[nookipedia:Animal Crossing: Pocket Camp|Animal Crossing: Pocket Camp]]''.
{{br}}
 
==General information==
===Physical description===
The design of the various viruses has changed somewhat over time. In most of their appearances, viruses are bipedal and wear brown shoes and white gloves. Depending on the media, some viruses are missing certain limbs, and in some appearances, can even have floating extremities. Viruses come in multiple colors, each with a unique set of physical characteristics to set them apart.
 
The three viruses featured in the original ''Dr. Mario'' for [[Nintendo Entertainment System|NES]] have appeared in far more entries than others and have had the greatest revision in terms of design. Red viruses have yellow eyes, large buck-teeth, an outstretched tongue, round pill-shaped ears, and a pair of horns, with earlier depictions giving them floppier dog-like ears, thinner horns, a simple nose, and a spiked tail. According to the ''[[Tetris & Dr. Mario]]'' instruction manual, the red virus is female, making it the only one until the introduction of the magenta virus Confused in ''[[Dr. Luigi]]''. Blue viruses have yellow eyes, thin stemmed eyebrows, no horns, and a single tooth, with earlier depictions rendering their eyebrows as spiked ears that wrap around the back of the head instead. Yellow viruses have orange eyes, two pairs of horns, a pronounced eyebrow ridge, and a unique snout-like nose with jowls, with earlier depictions typically having the eyes be smaller and uneven in size.
 
Viruses introduced in ''Dr. Luigi'' are vastly different in appearance from the others, lacking gloves on their hands and feet entirely. Cyan viruses are spherical and have large white eyes with gold irises, two small bulbous antennae on the top of their head, and a large mouth with four fangs and a long tongue. Magenta viruses have a cube-shaped body with three small horns on the top of their head and slightly mottled skin, large eyes with eyelashes and magenta irises, segmented arms with mitten-like hands, and a large square mouth with no visible teeth or tongue. The alternate yellow virus has a blob-like appearance, large eyes with green irises and droopy eyelids, a single spike protruding from the top of its head, low-hanging fork-shaped arms, and a long mouth featuring a line of teeth on the lower jaw.
 
Viruses introduced in ''Dr. Mario World'' share many design elements with the original three viruses, however, they all now have a more super-deformed appearance and noticeably lack arms. Green viruses have yellow eyes, two large leaf-like features atop its head, no teeth, and a sad or sick expression. Pink viruses have yellow eyes, a single bulb-like antenna atop its head, and a fixed wide grin with large puffed-out cheeks. Light-blue viruses are most similar in appearance to the original yellow viruses, though they have a lower eyebrow ridge, three horns instead of four, and a wide frown with a single tooth sticking up. Purple viruses have yellow eyes, a wide mouth with a single tooth off to the side on the upper jaw, and a single horn protruding from the front of the head.
 
In the NES version of ''Dr. Mario'', when the player beats the game with the level and speed set to 20 and high respectively, a cutscene will play showing a UFO flying over a tree with the three viruses, who then enter the UFO, hinting that they might be aliens of some sort.<ref>[http://www.youtube.com/watch?v=tmHJGEcc3yU]</ref> The UFO also appears before the title screen of ''Dr. Luigi''.
 
===Abilities===
Viruses are contagious, to the point that one of them can multiply to fill an entire glass jar within seconds. According to the Nintendo Comics system, each virus has unique abilities that correspond with their names: red viruses can manipulate heat, blue viruses can manipulate cold, and yellow viruses can transform people into different shapes and species, which is referred to as "weirdness". In the ''Mario and Luigi'' series, viruses are able to change their color when attacked, and are shown to wield spears. When a virus is in a line with a minimum of three viruses or capsules of the same color, of which there is at least one capsule, all of them are eliminated. This property can vary depending on the game, either reducing the numerical requirement, detecting adjacency rather than a line, or not requiring a capsule.
 
===Personalities and relationships===
Throughout the ''Dr. Mario'' series, the three red, blue, and yellow viruses are shown to be mischievous, dancing beside the play board as if to mock the player. The ''[[Virus Vid]]'' series often portrays them as being too bumbling and incompetent to be cooperative, but being otherwise fond of each other's company ("they never seem to get together, but they do seem to get along… somehow"). The official ''Dr. Mario World'' Twitter and Facebook accounts, where announcements and updates related to the game are communicated in person by the aforementioned three viruses, provide some individual characterization. Yellow is shown to have a fondness for snacks<ref>Drmarioworld_EN (December 10, 2020). [https://twitter.com/Drmarioworld_EN/status/1336981524001001473 Yellow: "There's an event starting today! If you want all the rewards, you'll have to eliminate 2,000 of us. Hey, how come we don't get any rewards? We're the ones getting eliminated! Could I at least get a snack or something?" #DrMarioWorld]. ''Twitter''. Retrieved May 4, 2022. ([https://web.archive.org/web/20201210103033/https://twitter.com/Drmarioworld_EN/status/1336981524001001473 Archived] December 10, 2020, 10:30:33 UTC via Wayback Machine.)</ref><ref>Drmarioworld_EN (May 27, 2021). [https://twitter.com/Drmarioworld_EN/status/1397802266573344768?s=20&t=TkPQpdMLWpKXn0N-rezZwQ Yellow: "There's an event starting today! Eliminate 2,000 of us to get all rewards! It's been so rainy around here... Nothing dampens my mood like everything getting soaked! Luckily, all I have to do is think about delicious snacks to help get me through the day!" #DrMarioWorld]. ''Twitter''. Retrieved June 28, 2022. ([https://web.archive.org/web/20210527080022/https://twitter.com/Drmarioworld_EN/status/1397802266573344768 Archived] May 27, 2021, 08:00:22 UTC via Wayback Machine.)</ref><ref>Drmarioworld_EN (September 1, 2021). [https://twitter.com/drmarioworld_en/status/1432953870884425730?s=21 Yellow: "The Log-In Bonus for September started today! You can get diamonds every day! Hmm... I wonder if I can trade diamonds for some snacks..." #DrMarioWorld]. ''Twitter''. Retrieved May 4, 2022. ([https://web.archive.org/web/20210901082504/https://twitter.com/Drmarioworld_EN/status/1432953870884425730 Archived] September 1, 2021, 08:25:04 UTC via Wayback Machine.)</ref> and a tendency to daydream and prattle about wings,<ref>Drmarioworld_EN (December 28, 2020). [https://twitter.com/Drmarioworld_EN/status/1343466795953516544?cxt=HHwWgMC7xdr7-aQlAAAA Yellow: "An event is going on where flying ? Blocks appear over some of the stages ahead. So much going on lately...I bet I'd get everything done faster if I had those wings! Anyway, more news coming up soon!" #DrMarioWorld]. ''Twitter''. Retrieved May 4, 2022. ([https://web.archive.org/web/20201228080046/https://twitter.com/Drmarioworld_EN/status/1343466795953516544 Archived] December 28, 2020, 08:00:46 UTC via Wayback Machine.)</ref><ref>Drmarioworld_EN (January 28, 2021). [https://twitter.com/Drmarioworld_EN/status/1354704537676820480?s=20&t=_Jff0e-tqOiFkR9jSGEjbQ Blue: "That block-hitting event just started in some of the later stages. Meanwhile, Yellow continues to go on and on about wings. I don't think he even wants to fly. I think he just thinks they're pretty." #DrMarioWorld]. ''Twitter''. Retrieved May 4, 2022. ([https://web.archive.org/web/20210128081523/https://twitter.com/Drmarioworld_EN/status/1354704537676820480 Archived] January 28, 2021, 08:15:23 UTC via Wayback Machine.)</ref> to Red's bemusement.<ref>Drmarioworld_EN (December 3, 2020). [https://twitter.com/Drmarioworld_EN/status/1334384401564753925 Red: "An event is going on where flying ? Blocks appear over some of the stages ahead. Speaking of which, Yellow keeps talking about making his own pair of wings. Where'd he even get the idea?" #DrMarioWorld]. ''Twitter''. Retrieved May 4, 2022. ([https://web.archive.org/web/20201203063032/https://twitter.com/Drmarioworld_EN/status/1334384401564753925 Archived] December 3, 2020, 06:30:32 UTC via Wayback Machine.)</ref> He is a self-described collector, scrabbling every bottle cap he finds without a practical reason for doing so,<ref>Drmarioworld_EN (March 25, 2021). [https://twitter.com/Drmarioworld_EN/status/1374986937698820102?s=20&t=6Hriurd-5NFmX9V9pXnYkQ Yellow: "An event to collect stars has started! If you collect 40 stars, you'll get all the rewards! Did you know I'm a collector too? Really! I nab every bottle cap I can find. No clue what I'm gonna do with them though…" #DrMarioWorld]. ''Twitter''. Retrieved June 28, 2022. ([https://web.archive.org/web/20210325073017/https://twitter.com/Drmarioworld_EN/status/1374986937698820102 Archived] March 25, 2021, 07:30:17 UTC via Wayback Machine.)</ref> and appears to be generous and selfless, as he claims to have given away his entire bottle cap collection to someone who really liked it.<ref>Drmarioworld_EN (April 23, 2021). [https://twitter.com/Drmarioworld_EN/status/1385390479823474691?s=20&t=7hUa2N4ICVsXmfnk1Ovs1w Yellow: "An event to collect stars has started, so give it your best so you can get all the rewards! Speaking of, I recently found someone who really liked my bottle cap collection, so I gave them all away! Doesn't it feel good to do nice things for people?" #DrMarioWorld]. ''Twitter''. Retrieved June 28, 2022. ([https://web.archive.org/web/20210423003051/https://twitter.com/Drmarioworld_EN/status/1385390479823474691 Archived] April 23, 2021, 00:30:51 UTC via Wayback Machine.)</ref> He also claims to "forget stuff all the time".<ref>Drmarioworld_EN (April 1, 2021). [https://twitter.com/Drmarioworld_EN/status/1377523671384911872?s=20&t=6Hriurd-5NFmX9V9pXnYkQ Yellow: "There's an event starting today! Eliminate 2,000 of us to get all rewards. Have you been using the rewards you've been getting? Don't worry, I also forget stuff all the time! Still, it's kind of a waste to just hoard them..." #DrMarioWorld]. ''Twitter''. Retrieved June 28, 2022. ([https://web.archive.org/web/20210401073033/https://twitter.com/Drmarioworld_EN/status/1377523671384911872 Archived] April 1, 2021, 07:30:33 UTC via Wayback Machine.)</ref> Red secretly wishes to be popular, and when Yellow makes his secret public, he does not object, confidently stating that he is already popular due to his "eye-catching color".<ref>Drmarioworld_EN (February 10, 2021). [https://twitter.com/Drmarioworld_EN/status/1359389168141545472?s=20&t=_Jff0e-tqOiFkR9jSGEjbQ Red: "An event is going on where flying ? Blocks appear over some stages ahead. Yellow revealed my secret wish to be popular, but so what? I'm already popular. Red's the most eye-catching color!" #DrMarioWorld]. ''Twitter''. Retrieved May 4, 2022. ([https://web.archive.org/web/20210210063024/https://twitter.com/Drmarioworld_EN/status/1359389168141545472 Archived] February 10, 2021, 06:30:24 UTC via Wayback Machine.)</ref> In addition, Blue suggests that Red is a poor planner.<ref>Drmarioworld_EN (July 21, 2021). [https://twitter.com/drmarioworld_en/status/1417733580680278020?s=21 Blue: "The five specialists this week have their attack speed and defense increased by 10%. I'd personally recommend Dr. Luigi, as his defense is the highest of any doctor in this group—perfect for those who prefer to carefully plan out their approach. Unlike Red." #DrMarioWorld]. ''Twitter''. Retrieved May 4, 2022. ([https://web.archive.org/web/20210721063008/https://twitter.com/Drmarioworld_EN/status/1417733580680278020 Archived] July 21, 2021, 06:30:08 UTC via Wayback Machine.)</ref> Blue tends to speak in a polite and elevated manner;<ref>Drmarioworld_EN (November 28, 2019). [https://twitter.com/drmarioworld_en/status/1199994816106381313?s=21 Blue: "Doctors are featured until 9:59 PM on Dec. 1 PT. This will make it easier to effectively bolster your staff. It's quite an impressive array of doctors, if I do say so myself." #DrMarioWorld]. ''Twitter''. Retrieved September 16, 2022. ([https://web.archive.org/web/20191128103126/https://twitter.com/Drmarioworld_EN/status/1199994816106381313 Archived] November 28, 2019, 10:31:26 UTC via Wayback Machine.)</ref><ref>Drmarioworld_EN (January 6, 2020). [https://twitter.com/drmarioworld_en/status/1214121924378284038?s=21 Blue: "Ah, it would seem that the Free Continue event is on again. You can even extend the length of timed Challenge Stages by 15 seconds and continue playing. Be sure to use this wisely." #DrMarioWorld]. ''Twitter''. Retrieved September 16, 2022. ([https://web.archive.org/web/20200112102221/https://twitter.com/Drmarioworld_EN/status/1214121924378284038 Archived] January 12, 2020, 10:22:21 UTC via Wayback Machine.)</ref><ref name="DMW Twitter 2020-01-30 Blue">Drmarioworld_EN (January 30, 2020). [https://twitter.com/drmarioworld_en/status/1222720134336237568?s=21 Blue: "I have the pleasure of introducing a new doctor appearing Feb. 3, 2 AM PT. It's Dr. Larry! He's the third Koopaling to join the battle! And look, he's got the same bag as Ludwig and Wendy. Please take it easy on me." #DrMarioWorld]. ''Twitter''. Retrieved September 16, 2022. ([https://web.archive.org/web/20200201000419/https://twitter.com/Drmarioworld_EN/status/1222720134336237568 Archived] February 1, 2020, 00:04:19 UTC via Wayback Machine.)</ref><ref>Drmarioworld_EN (March 4, 2020). [https://twitter.com/drmarioworld_en/status/1235067159639818241?s=21 Blue: "Allow me to humbly introduce a new doctor appearing Mar. 5, 1 AM PT! It's Dr. Fire Luigi! Just two months after his big brother arrived, he's turning up the heat! Guess it took him quite a while to find a Fire Flower. Please take it easy on me." #DrMarioWorld]. ''Twitter''. Retrieved September 16, 2022. ([https://web.archive.org/web/20200304050053/https://twitter.com/Drmarioworld_EN/status/1235067159639818241 Archived] March 4, 2020, 05:00:53 UTC via Wayback Machine.)</ref> he typically occupies himself with researching newly added doctors and setting up video presentations to communicate his findings.<ref>Drmarioworld_EN (September 5, 2019). [https://twitter.com/Drmarioworld_EN/status/1169465245795934208?cxt=HHwWgICnjb2c47ogAAAA Blue: "I've done some research on the four new doctors and four new assistants who are making their debut on Sep 5 at 2 AM PT. I have put together a video presenting my findings!" #DrMarioWorld]. ''Twitter''. Retrieved September 16, 2022. ([https://web.archive.org/web/20190919021207/https://twitter.com/Drmarioworld_EN/status/1169465245795934208 Archived] September 19, 2019, 02:12:07 UTC via Wayback Machine.)</ref><ref>Drmarioworld_EN (December 12, 2019). [https://twitter.com/Drmarioworld_EN/status/1204961000455147521?cxt=HHwWgsCgharp8LghAAAA Blue: "I've gathered information regarding the two new doctors and one new assistant making their debut today at 11 PM PT and put it in a video. From ice, floaties, bubbles, or blocks, Dr. Kamek's skill can get them all in one go!" #DrMarioWorld]. ''Twitter''. Retrieved September 16, 2022. ([https://web.archive.org/web/20191212135636/https://twitter.com/Drmarioworld_EN/status/1204961000455147521 Archived] December 12, 2019, 13:56:36 UTC via Wayback Machine.)</ref><ref>Drmarioworld_EN (January 9, 2020). [https://twitter.com/Drmarioworld_EN/status/1215091386749345792?cxt=HHwWgICnzbXL79whAAAA Blue: "I have gathered information regarding the two new doctors and one new assistant debuting tomorrow at 2 AM PT, and I've compiled it in a video. Both doctors can clear whole lines in one shot, so we'll need to consider our positioning and avoid lining up!" #DrMarioWorld]. ''Twitter''. Retrieved September 16, 2022. ([https://web.archive.org/web/20200110232644/https://twitter.com/Drmarioworld_EN/status/1215091386749345792 Archived] January 10, 2020, 23:26:44 UTC via Wayback Machine.)</ref>
 
Red, Blue, and Yellow are not gregarious with other characters. In their above-mentioned social media presence, they often express fear when announcing the arrival of a new doctor, uttering pleas such as "Please take it easy on me".<ref name="DMW Twitter 2020-01-30 Blue"/><ref>Drmarioworld_EN (April 1, 2020). [https://twitter.com/drmarioworld_en/status/1245245771831586817?s=21 Red: "A new doctor's coming Apr. 2, 1 AM PT. It's Dr. Nabbit! I wonder about consolidating that luggage... I mean, all that stuff could just go in that big sack! Think about it. Dr. Nabbit's the only new doc this time. Please take it easy on me." #DrMarioWorld]. ''Twitter''. Retrieved May 4, 2022. ([https://web.archive.org/web/20200401082148/https://twitter.com/Drmarioworld_EN/status/1245245771831586817 Archived] April 1, 2020, 08:21:48 UTC via Wayback Machine.)</ref><ref>Drmarioworld_EN (July 27, 2020). [https://twitter.com/Drmarioworld_EN/status/1287637926336069632?cxt=HHwWgICo6eX3zd4jAAAA Red: "Big news! Seems like THAT doctor is returning. I heard today's his 30th rotation around the sun. I don't think that's too old, but you should all wish him a happy birthday. Please take it easy on me." #DrMarioWorld]. ''Twitter''. Retrieved May 4, 2022. ([https://web.archive.org/web/20201128144152/https://twitter.com/Drmarioworld_EN/status/1287637926336069632/video/1 Archived] November 28, 2020, 14:41:52 UTC via Wayback Machine.)</ref> Blue claims to be terrified of children when he announces [[Baby Peach|Dr. Baby Peach]].<ref>Drmarioworld_EN (September 4, 2019). [https://twitter.com/drmarioworld_en/status/1169084997149450240?s=21 Blue: "Well these doctors seem...qualified. Oh, there's more! Dr. Baby Peach will also be introduced on Sep 5. It would be prudent to make sure her pacifier is disinfected before she uses it. And please keep your distance...children terrify me." #DrMarioWorld]. ''Twitter''. Retrieved May 4, 2022. ([https://web.archive.org/web/20190916060011/https://twitter.com/Drmarioworld_EN/status/1169084997149450240 Archived] September 16, 2019, 06:00:11 UTC via Wayback Machine.)</ref> In a June 12, 2020 post, Yellow announced an in-game event where 20 of the then-available 21 doctors had their staffing rates increased by 1.5<ref>Drmarioworld_EN (June 12, 2020). [https://twitter.com/drmarioworld_en/status/1271246333429477377?s=21 Yellow: "Looks like doctor staffing rates are currently 1.5 times higher than normal. 20 doctors are available for staffing, and you can see them from Details under Staffing. As for that one I don't get along with... Yep, there you go." #DrMarioWorld]. ''Twitter''. Retrieved October 24, 2021. ([https://web.archive.org/web/20200612013034/https://twitter.com/Drmarioworld_EN/status/1271246333429477377 Archived] June 12, 2020, 01:30:34 UTC via Wayback Machine.)</ref><ref>Dr. Mario World (June 12, 2020). [https://facebook.com/photo.php?fbid=736156413786921&id=405022973566935&set=a.480040666065165&source=54&refid=13&__tn__=%2B%3E Yellow: "Looks like doctor staffing rates are currently 1.5 times higher than normal. 20 doctors are available for staffing, and you can see them from Details under Staffing. As for that one I don't get along with... Yep, there you go."] ''Facebook''. Retrieved October 24, 2021.</ref>, with the omitted doctor being [[Waluigi|Dr. Waluigi]]<ref>Sam Hard (June 15, 2020). [https://youtu.be/XLI7dW8NRkQ Dr. Mario World: 38 staffing pulls; 16 doctors]. ''YouTube''. Retrieved October 24, 2021.</ref>; the virus indicates in the post that said doctor was left out because they particularly do not get along.
 
==Profiles and statistics==
===''Super Smash Bros.'' series===
====''Super Smash Bros. Melee''====
{{SSBM trophy
|name=Viruses
|image=[[File:Trophy211.png|100px]]
|game=''Dr. Mario''<br>10/90
|unlock=Randomly obtainable only in single-player modes
|desc=These contagious viruses make life difficult for Dr. Mario. They infect everything they come into contact with, and the good doctor must attempt to neutralize them with his trusty megavitamins. Dr. Mario can stop these pesky germs by lining up the megavitamin capsules of the same color with the nasty microorganism.
}}
 
====''Super Smash Bros. Brawl''====
{{SSBB sticker
|name=Blue Virus
|image=[[File:Blue Virus Sticker.png|x100px]]
|game=''[[Nintendo Puzzle Collection]]''
|effect=[Electric] - Attack +5
}}
{{SSBB sticker
|name=Red Virus
|image=[[File:Red Virus Sticker.png|x100px]]
|game=''[[Nintendo Puzzle Collection]]''
|effect=[Flame] - Attack +20
}}
{{SSBB sticker
|name=Yellow Virus
|image=[[File:Sticker Virus Yellow.png|x100px]]
|game=''[[Nintendo Puzzle Collection]]''
|effect=Food Effect +4
}}
}}
Viruses appear in ''[[Mario & Luigi: Dream Team]]'' as enemies. In the field, Viruses chase Mario and Luigi upon sight. Viruses also change color whenever they are damaged (with the exception of counter-attacks); much like how they did in ''Mario & Luigi: Superstar Saga''. The pattern they go in is from blue to yellow to red and back to blue again, repeating itself. The player can connect three or more of the same color to make them disappear, defeating the connected Viruses instantly, also like in ''Mario & Luigi: Superstar Saga''. If a Virus is defeated, the ones behind it will move forward to the front if possible. They always appear in a group of 16, which is the most enemies seen in a battle in the real world. They are also one of the very few enemies who can inflict the Mini status on the Bros. which decreases their Attack and Defense and shrinks them.


Viruses may attack by forming two lines, one in the foreground and one in the background, and proceeding to move several steps in any direction each time. This can be dodged by jumping when appropriate. Viruses may also attack by circling the Bros. in a single file line, Mario and Luigi then having to hammer them all into a pile before they attack them after circling several times. If three of the same colour land on the pile consecutively, they disappear like they would normally.
====''Super Smash Bros. for Wii U''====
{{SSB4 trophy
|name=Viruses
|image=[[File:VirusesTrophyWiiU.png|100px]]
|category=Other
|appears_in='''GB''' ''Dr. Mario'' (12/1990)<br>'''Wii''' ''Dr. Mario Online Rx'' (05/2008)
|trophy_box=75: Memorabilia
|unlock=Random
|desc=At the forefront of medical science, you have to be equal to whatever nature throws your way—that's why Dr. Mario's medicine cabinet includes red, blue, and yellow capsules to combat these red, blue, and yellow viruses! Over 20 years after Mario first took up medicine, Luigi joined the fight with his new L-shaped vitamin.
|desc2=At the forefront of medical science, you have to be equal to whatever nature throws your way – that's why Dr. Mario's medicine cabinet includes red, blue and yellow capsules, for any colour of virus. If you can't visit Dr. Mario, at least go and see Dr. Luigi, who set up his first practice more than 20 years later.
}}


===''Mario Kart'' series===
====''Super Smash Bros. Ultimate''====
====''Mario Kart Arcade GP''====
{{Spirit
In ''[[Mario Kart Arcade GP]]'', the item, [[Driver Virus]], is a Blue Virus. In this game, this Blue Virus has swirly eyes.
|no=116
|name=Viruses
|image=[[File:SSBU Viruses Spirit.png|x100px]]
|series=''Dr. Mario'' Series
|type={{iw|smashwiki|Support spirit|Support}}
|slots=1
|class=Advanced
|effects=Poison Damage Reduced
|obtain={{iw|smashwiki|Adventure Mode: World of Light|World of Light}} ({{iw|smashwiki|The Light Realm}}); {{iw|smashwiki|Spirit Board}}
|opponents=[[Kirby]] ×3
|conditions=<nowiki/>
*Timed battle
|stage=[[Mario Bros. (stage)|Mario Bros.]] (Battlefield)
|song=Fever
}}
 
===''Mario & Luigi'' series===
====''Mario & Luigi: Superstar Saga''====
{{:Mario & Luigi: Superstar Saga bestiary|transcludesection=Red Virus|align=horizontal|image=[[File:MLSS RedVirus.gif]]}}
{{:Mario & Luigi: Superstar Saga bestiary|transcludesection=Blue Virus|align=horizontal|image=[[File:MLSS BlueVirus.gif]]}}
{{:Mario & Luigi: Superstar Saga bestiary|transcludesection=Yellow Virus|align=horizontal|image=[[File:YellowVirus.gif]]}}


===''Nintendo Puzzle Collection''===
====''Mario & Luigi: Dream Team''====
[[Image:VirusesReadyForAction.png|left|thumb|300px|The Viruses in ''[[Nintendo Puzzle Collection]]''.]]
{{:Mario & Luigi: Dream Team bestiary|transcludesection=Virus (Red/Blue/Yellow)|align=horizontal}}
The Viruses reappeared in the ''Dr. Mario'' game (a close remake of ''Dr. Mario 64'') of ''[[Nintendo Puzzle Collection]]''.
<br clear=all>


==Official Profiles and Statistics==
====''Mario & Luigi: Superstar Saga + Bowser's Minions''====
===Trophy Information from ''[[Super Smash Bros. Melee]]''===
{{:Mario & Luigi: Superstar Saga + Bowser's Minions bestiary|transcludesection=Red Virus|align=horizontal|image=[[File:MLSSBMVirusRedIdle.gif]]}}
{|border=1 cellpadding=1 cellspacing=0 width=100%
{{:Mario & Luigi: Superstar Saga + Bowser's Minions bestiary|transcludesection=Blue Virus|align=horizontal|image=[[File:MLSSBMVirusBlueIdle.gif]]}}
|-
{{:Mario & Luigi: Superstar Saga + Bowser's Minions bestiary|transcludesection=Yellow Virus|align=horizontal|image=[[File:MLSSBMVirusYellowIdle.gif]]}}
!width=100px|Name!!width=100px|Image!!width=150px|Game!!|Description
|-
!Viruses
|[[Image:Trophy211.PNG|100px]]
|align=center|''Dr. Mario''<br>10/90
|''These contagious viruses make life difficult for Dr. Mario. They infect everything they come into contact with, and the good doctor must attempt to neutralize them with his trusty megavitamins. Dr. Mario can stop these pesky germs by lining up the megavitamin capsules of the same color with the nasty microorganism.''
|-
|}


===Sticker Information from ''[[Super Smash Bros. Brawl]]''===
==Quotes==
{|border=1 cellpadding=3 cellspacing=0 style="text-align:center" width=100%
{{main|List of quotes by Red|List of quotes by Blue|List of quotes by Yellow}}
|-
!width=120px|Name!!width=120px|Image!!width=200px|Game!!|Effect
|-
|Blue Virus
|[[File:Blue Virus Sticker.png|100x100px]]
|''[[Nintendo Puzzle Collection]]
|align=left|[Electric] - Attack +5
|-
|Red Virus
|[[File:Red Virus Sticker.jpg|100x100px]]
|''[[Nintendo Puzzle Collection]]
|align=left|[Flame] - Attack +20
|-
|Yellow Virus
|[[Image:Yellow_Virus_Sticker.jpg|100x100px]]
|''[[Nintendo Puzzle Collection]]
|align=left|Food Effect +4
|}


==Gallery==
==Gallery==
{{morepic}}
{{main-gallery}}
<gallery>
Viruses.gif|''[[Dr. Mario (game)|Dr. Mario]]
Virus movement (game boy).gif|''Dr. Mario'' (Game Boy)
BlueVirus2.png|''Dr. Mario
Pills can be deadly.jpg|''Dr. Mario
Run.jpg|''Dr. Mario
Scientist.png|The Scientist page from ''[[Super Mario Bros. & Friends: When I Grow Up]]''
</gallery>
 
==Names in other languages==
{{foreign names
|Jap=ウイルス<ref name=DMWJP>{{cite|title=きょうのウイルス 6/18-1 レッド、ブルー、イエロー。3匹のウイルスたちが今日からこのアカウントで「ドクターマリオ ワールド」のことをお知らせしていくようですよ。フォローしてあげてくださいね。#ドクマリ|date=June 17, 2019|url=x.com/Drmarioworld_JP/status/1140794728159440896|publisher=Twitter|author=Drmarioworld_JP|language=ja|accessdate=June 18, 2019|archive=web.archive.org/web/20221118024105/https://twitter.com/Drmarioworld_JP/status/1140794728159440896}}</ref>
|JapR=Uirusu
|JapM=Virus
|Chi=病毒
|ChiR=Bìngdú
|ChiM=Virus
|Fre=Virus
|Ger=Virus
|Ita=Virus
|Kor=바이러스
|KorR=Baireoseu
|KorM=Virus
|Por=Vírus
|PorM=Virus
|Rus=Вирус
|RusR=Virus
|RusM=Virus
|SpaA=Virus
|SpaE=Bacteria
}}
 
===Red===
{{foreign names
|Jap=レッド<ref name=DMWJP/>
|JapR=Reddo
|JapM=Red
}}
 
===Blue===
{{foreign names
|Jap=ブルー<ref name=DMWJP/>
|JapR=Burū
|JapM=Blue
}}
 
===Yellow===
{{foreign names
|Jap=イエロー<ref name=DMWJP/>
|JapR=Ierō
|JapM=Yellow
}}
 
==References==
<references/>


==Trivia==
{{DM64}}
{{trivia}}
{{M&LSS}}
*The Viruses make a cameo in the ''[[Nintendo Monopoly]]''.
{{M&LBIS}}
*The Viruses in the [[minigame]] [[Dr. Wario]] appear slightly different than the ones in ''Dr. Mario''.
{{M&LDT}}
*Of all the Virus colors, the Blue Virus is the one with the most appearances and cameos.
{{DMMC}}
*According to the ''[[Tetris & Dr. Mario]]'' instruction manual, the Red Virus is female.
{{DMW}}
**In ''[[Dr. Luigi]]'', the red virus has female design, further proving this point.
[[Category:Viruses|*]]
*The Viruses' idle battle animation in [[Mario & Luigi: Dream Team]] follows the same animation that is used in the Dr. Mario games.
[[Category:Amiibo tap: Nintendo's Greatest Bits]]
*In the [[Nintendo Entertainment System|NES]] version of [[Dr. Mario (game)|Dr. Mario]], when the player beats the game with the level and speed set to 20 and "Hi" respectively, a cutscene will play showing a ''U.F.O'' flying over a tree with the 3 viruses and then the viruses enter the U.F.O, hinting that they might be aliens of some sort.  [http://www.youtube.com/watch?v=tmHJGEcc3yU]
[[Category:Dr. Luigi]]
*Viruses are referenced in ''[[Super Paper Mario]]'' when a [[Shayde]] says he was killed for an illness caused by multicolored viruses. 
[[Category:Dr. Mario]]
{{BoxTop}}
{{DrMarioSeries}}
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{{ML:DT}}
[[Category:Species]]
[[Category:Enemies]]
[[Category:Dr. Mario 64]]
[[Category:Dr. Mario 64]]
[[Category:Super Smash Bros. Trophies]]
[[Category:Dr. Mario Express]]
[[Category:Mario Kart Items]]
[[Category:Dr. Mario: Miracle Cure]]
[[Category:Super Smash Bros. Stickers]]
[[Category:Dr. Mario Online Rx]]
[[Category:Mario & Luigi Series Enemies]]
[[Category:Dr. Mario Vitamin Toss]]
[[Category:Mario & Luigi: Superstar Saga]]
[[Category:Dr. Mario World]]
[[Category:Mario & Luigi: Bowser's Inside Story]]
[[Category:Mario & Luigi: Bowser's Inside Story enemies]]
[[Category:Mario & Luigi: Dream Team Enemies]]
[[Category:Mario & Luigi: Dream Team enemies]]
[[Category:Diseases]]
[[Category:Mario & Luigi: Superstar Saga enemies]]
[[Category:Super Smash Bros. Brawl stickers]]
[[Category:Super Smash Bros. for Wii U trophies]]
[[Category:Super Smash Bros. Melee trophies]]
[[Category:Super Smash Bros. Ultimate spirits]]
[[de:Virus]]
[[it:Virus]]

Latest revision as of 21:20, November 2, 2024

Virus
Viruses from Dr. Mario World
A group of viruses from Dr. Mario World
First appearance Dr. Mario (1990)
Latest appearance WarioWare: Move It! (2023)
Variants
Notable members
“I wanted to enjoy a nice day with my pal Toad, but it turns out he's feeling under the weather. Huh? Do you think it's my fault? Probably not, but I still feel bad about it!”
Red, Dr. Mario World official social media accounts

A virus is a germ-based enemy found in the Dr. Mario series. Viruses most often appear in three colors – Red, Blue, and Yellow – however, in later games in the series including Dr. Luigi and Dr. Mario World, a larger variety of colors and types are present. To defeat a virus, usually Dr. Mario must line up three Capsule pieces of the same color next to the virus of that color. The virus, along with the capsules, will then disappear. In most Dr. Mario games, after clearing one jar of viruses, Dr. Mario will move to the next one, with each jar containing increasingly more viruses.

History[edit]

Dr. Mario series[edit]

Dr. Mario[edit]

Artwork of Blue Virus from Dr. MarioArtwork of Red Virus from Dr. MarioArtwork of Yellow Virus from Dr. Mario
Earlier artwork of the viruses used for Western releases of Dr. Mario
The general animations of the original three Viruses.
The viruses' general animations in Dr. Mario
Black (Red) Virus
Gray (Blue) Virus
White (Yellow) Virus
Black (red), gray (blue), and white (yellow) viruses from Dr. Mario (Game Boy)

Viruses first appeared in Dr. Mario and were retained in its editions in Tetris & Dr. Mario and Dr. Mario & Puzzle League. They are small germs that have to be eliminated by Dr. Mario using vitamin capsules, which can come in combinations of their colors (red, blue, and yellow), four of these capsule pieces must be stacked on top of a virus of the same color to eliminate it. As the difficulty increases, the number of viruses will also increase. In the Game Boy version, viruses appear in black, white, and gray because the system does not support color graphics; the black virus resembles the red virus, the gray virus resembles the blue virus and the white virus resembles the yellow virus. Because the simple monochrome display of the Game Boy is only able to show a few shades of gray, the black and gray viruses lack the black sclera that the red and blue viruses had, and hence look marginally different. In the high-level ending, the viruses are seen on a tree before being beamed up by a UFO.

Dr. Mario 64[edit]

A blue virus
A red Virus
A yellow virus
Viruses from Dr. Mario 64

Viruses appear in Dr. Mario 64 and Nintendo Puzzle Collection, having the same role as before. The way to beat them stays the same, too. Dr. Mario 64 adds a Flash mode, where one virus of each color is flashing, and two players compete to clear the flashing viruses with numerous other viruses in the way.

Dr. Mario Online Rx[edit]

The Viruses from Dr. Mario Online Rx
Viruses from the title screen of Dr. Mario Online Rx

Viruses also appear in Dr. Mario Online Rx, where they act like they do in Dr. Mario. They are also seen fighting Miis in the Virus Buster game.

Dr. Luigi[edit]

Artwork of a Virus from Dr. Luigi.
The cyan virus, Dizzy
Artwork of a Red Virus from Dr. Luigi.
The magenta virus, Confused
Artwork of a Yellow Virus from Dr. Luigi.
The alternative yellow virus, Drowsy

Three new viruses with two new virus colors, cyan and magenta, appear in the Wii U game, Dr. Luigi, exclusive to the Nintendo eShop. The classic blue, red, and yellow viruses appear in the "Retro Remedy" mode by default, while new viruses – a cyan virus (Dizzy), a magenta virus (Confused), and an alternative yellow virus (Drowsy) – appear in the new Operation L mode by default. The colors of the viruses in this game are based off CMYK printing colors.

Dr. Mario: Miracle Cure[edit]

Gameplay
Basic gameplay of Dr. Mario mode in Dr. Mario: Miracle Cure

The standard three viruses return in Dr. Mario: Miracle Cure, in the same role as past games. Even though Dr. Luigi and the Operation L gameplay return in this game, the new viruses seen in Dr. Luigi do not.

Dr. Mario World[edit]

The standard three viruses returned in Dr. Mario World, along with four new green, purple, light-blue, and pink viruses. The three classic viruses also received a new design reminiscent of their in-game appearance from Dr. Mario, and were prominently featured in the promotional video series for the game, Virus Vid. Although there were seven types of viruses, they did not appear in all stages. In the regular stages, three out of red, blue, yellow, green and light-blue would appear throughout that World. Pink viruses exclusively appeared in challenge stages and special stages. Purple viruses were absent in stages and only appeared on the world map.

Viruses could come with new gimmicks in Dr. Mario World, such as being frozen in ice, encased in bubbles, protected by cages that could be unlocked with lock blocks, or hidden by clouds and dust. A variant called the floatie virus could teleport away from a matched pill to another location on the grid. Unlike the other Dr. Mario games where a match of four in a row or column involving capsules are required to eliminate them, the viruses in this game required a capsule match of three in a row or column to eliminate (such as two viruses and one capsule piece of matching color).

Videos for Dr. Mario World feature Red, Blue, and Yellow. One of the three can wander onto the screen, and comment on the features of the game. The Virus(es) involved usually change between segments of a video. They also sometimes got eliminated to line up with the events on the screen. Sometimes, the events of the screen affect them more literally, such as a Shell pushing Red off the screen or Dr. Luma's skill warping Red upward on the screen. "The Welcome to Dr. Mario World" and "Dr. Mario World Multiplayer Introduction" videos have more involvement from them, sometimes having more than one Virus commentating and using voice acting as in the Virus Vid series. The transitions for all of these videos used footage from Virus Vid, modified to reflect the content. The rebranding of the videos starting from August 2020 removed this element. The characters also communicated on the social media accounts of Dr. Mario World.

Nintendo Comics System[edit]

The viruses appear as the main antagonists in Nintendo Comics System's adaptation of Dr. Mario entitled "The Doctor Is In... Over His Head." This appearance names the red virus Fever, the blue virus Chill, and the yellow virus Weird.

In the same comic, the viruses are given special powers: Chill can manipulate the cold, Fever can control heat, and Weird can forcibly morph others into different shapes and creatures.

Club Nintendo[edit]

Two viruses can briefly be seen inside Bowser's stomach in the Club Nintendo comic "Süße Weihnachten." They symbolize his sickness after having eaten too much.

Super Mario Bros. & Friends: When I Grow Up[edit]

A Blue Virus appears on the Scientist page in Super Mario Bros. & Friends: When I Grow Up.

Super Smash Bros. series[edit]

Viruses commonly appear as collectible items in the Super Smash Bros. series. In Super Smash Bros. Melee, a Red, a Blue, and a Yellow Virus are all featured together within a trophy, which can be obtained when it appears at random in one of the game's single-player modes. In Super Smash Bros. Brawl, a Blue Virus, a Red Virus, and a Yellow Virus each have their own sticker: the Blue Virus sticker boosts electric attacks by five points; the Red Virus sticker boosts fire-based attacks by twenty points; and the Yellow Virus sticker increases the amount of damage recovered after eating food by 4 points. All three stickers can be used by any fighter in The Subspace Emissary by any fighter. In Super Smash Bros. for Wii U, there is a randomly obtainable trophy of all three Viruses, similarly to Super Smash Bros. Melee. In Super Smash Bros. Ultimate, the Viruses all appear as an Advanced-class support spirit that occupies one support slot, and reduces the damage taken from poison-based attacks when used. In World of Light, the spirit is encountered on The Light Realm, near Riki's Dojo. The spirit's puppet fighters are three Kirbys, each colored after one of the viruses, and the battle takes place on the Battlefield form version of the Mario Bros. stage.

WarioWare series[edit]

Blue Virus
Red Virus
Yellow Virus
Viruses in Dr. Wario, featuring a different look

In WarioWare, Inc.: Mega Microgame$!, one of 9-Volt's microgames called Dr. Mario is based on the game Dr. Mario, and the player must defeat the viruses using capsules, just like in the game. There is also a minigame in the same game called Dr. Wario, which is a Wario version of Dr. Mario, where the viruses look different. In WarioWare: Twisted! in the microgame Weird Science, a blue virus makes an appearance. WarioWare Gold features another Dr. Mario microgame under the same name, where the player must tilt the game system to defeat a row of three Viruses.

Mario & Luigi series[edit]

Mario & Luigi: Superstar Saga / Mario & Luigi: Superstar Saga + Bowser's Minions[edit]

Sprite of Red Virus, from Mario & Luigi: Superstar Saga. Sprite of Blue Virus, from Mario & Luigi: Superstar Saga. Sprite of Yellow Virus, from Mario & Luigi: Superstar Saga.
Sprite of a Red Virus from Mario & Luigi: Superstar Saga + Bowser's Minions. Sprite of a Blue Virus from Mario & Luigi: Superstar Saga + Bowser's Minions. Sprite of a Yellow Virus from Mario & Luigi: Superstar Saga + Bowser's Minions.
Sprites of the viruses between games

Viruses appear as enemies at Woohoo Hooniversity in Mario & Luigi: Superstar Saga and its Nintendo 3DS remake, Mario & Luigi: Superstar Saga + Bowser's Minions. They appear in all three colors and attack in groups - each color virus has different stats (e.g. Red Viruses have the highest POW and lowest DEF).

Viruses attack by charging at Mario or Luigi and chewing on their heads, which may poison them and can be countered by using the hammer. When hit by Mario or Luigi, they will change into a different color: a Red Virus that is hit will become a Blue Virus, a Blue Virus will become a Yellow Virus, and a Yellow Virus will become a Red Virus. If all Viruses in a battle have a matching color, they will be instantly defeated, as a callback to how they are beaten in Dr. Mario. In Mario & Luigi: Superstar Saga + Bowser's Minions, a small portion of the Fever theme plays when this occurs.

The Red Virus takes critical damage from Thunderhand and Thunder Bros., while the Blue Virus takes critical damage from Firebrand and Fire Bros., and the Yellow Virus is healed if hit with either element. If an Advanced Swing Bros. attack is used against a Yellow Virus, or it is defeated with the Game Boy Horror SP equipped, it will drop a Steady Badge.

Mario & Luigi: Bowser's Inside Story / Mario & Luigi: Bowser's Inside Story + Bowser Jr.'s Journey[edit]

Blue Virus in Mario & Luigi: Bowser's Inside Story. Sprite of a Blue Virus from Mario & Luigi: Bowser's Inside Story + Bowser Jr.'s Journey
Sprite of the Blue Virus between games

The blue virus makes a cameo in Mario & Luigi: Bowser's Inside Story and its Nintendo 3DS remake, Mario & Luigi: Bowser's Inside Story + Bowser Jr.'s Journey. After knocking out all the body segments of a Toothy, the Toothy attacks by spitting out a blue virus holding a small spear to attack the player.

In the Toadley Clinic's lobby, there is a prohibition sign on the wall featuring a blue virus.

Mario & Luigi: Dream Team[edit]

Viruses from Mario & Luigi: Dream Team.

Viruses appear in Mario & Luigi: Dream Team as enemies. They can be found in Dozing Sands, Wakeport, Mount Pajamaja, and Mushrise Park, but only in sections made accessible during the Ultibed part hunt.

In the field, Viruses chase Mario and Luigi upon sight. Sometimes, they trip and fall over, which can occur directly after chasing or randomly on their own.

In battle, Viruses appear in a group of 16, the highest number enemies seen in a single real world battle. Viruses change color whenever they are damaged, much like how they did in Mario & Luigi: Superstar Saga. The pattern they go in is from blue to yellow to red and back to blue again, repeating itself. If one attack hits a virus multiple times, the Virus changes color for each hit. Counterattacks do not cause colors to change. When three or more Viruses of the same color are next to each other after an attack ends, those Viruses are defeated instantly, also like in Mario & Luigi: Superstar Saga. If a Virus is defeated, the ones behind it will move forward to the front if possible. They are also one of the very few enemies who can inflict the Mini status on the Bros. which decreases their Attack and Defense and shrinks them. Red Viruses can inflict POW-Down, yellow Viruses can inflict DEF-Down, and blue Viruses can inflict SPD-Down.

Viruses have two attacks. One attack has the group form two rows, one in the foreground and one in the background. The rows may not be of equal length. The rows move simultaneously, in one of the cardinal directions, taking only a couple of steps each time. The lines always move left or right together, but can can move up or down together or in opposite directions. The up and down movement will cause the lines to pass through one or both of the Mario Brothers' positions. This can be dodged by jumping when appropriate. Landing on a Virus damages it and causes it to leave the formation, but the viruses will close the gap. If this puts three or more Viruses of the same color together, those Viruses disappear.

The other attack has the Viruses circling the Bros. in a single file line. Mario and Luigi have to hammer all of the Viruses, knocking them into a stack. If three Viruses of the same color land on the stack consecutively, they disappear. If the Viruses circle the Bros. enough times, then the unhammered Viruses jump onto the Mario Brothers. They can still be hit by the hammer, but the speed and potential number of Viruses makes this difficult to counter.

Viruses are dangerous enemies, as the Mini and DEF-Down statuses they inflict do stack. With both effects, the damage dealt by a Virus to a Bro can easily turn into a one-hit KO (999+ damage). Due to their reactions to counterattacks, they can be defeated with counterattacks even while using a Boo Biscuit.

Mario Kart series[edit]

Mario Kart Arcade GP subseries[edit]

In Mario Kart Arcade GP and its two sequels, Mario Kart Arcade GP 2 and Mario Kart Arcade GP DX, there are two blue Virus related items: Wheel Virus and Dizziness Virus. The first and third titles include both, while the second only has the Dizziness Virus.

Mario Kart Tour[edit]

Image seen in the Magniflying Glass from Mario Kart Tour.
Texture of the viruses as seen in the Magniflying Glass glider

The red, blue, and yellow viruses from Dr. Mario World appear in Mario Kart Tour on the Magniflying Glass and its pink variant.

Other appearances[edit]

Viruses appear as enemies in the unlockable minigame Virus Buster (also known as Germ Buster) for Brain Age 2: More Training in Minutes a Day!, which was later included in Dr. Mario Online Rx and all subsequent titles in the Brain Age series.

Viruses also make a small cameo in the obscure Super Famicom game Motoko-chan no Wonder Kitchen, appearing in a cut-scene for mayonnaise 'facts'.[1] They also cameo in Nintendo Monopoly, appearing on one of the Coin Block (Community Chest) cards. Viruses are also referenced in Super Paper Mario when a Shayde says he was killed for an illness caused by multicolored viruses. Of all the virus colors, the blue virus is the one with the most appearances and cameos.

As part of the promotion for the release of Dr. Mario World, three T-shirts modeled after the main three viruses were released on July 19, 2019 as a gift in Animal Crossing: Pocket Camp.

General information[edit]

Physical description[edit]

The design of the various viruses has changed somewhat over time. In most of their appearances, viruses are bipedal and wear brown shoes and white gloves. Depending on the media, some viruses are missing certain limbs, and in some appearances, can even have floating extremities. Viruses come in multiple colors, each with a unique set of physical characteristics to set them apart.

The three viruses featured in the original Dr. Mario for NES have appeared in far more entries than others and have had the greatest revision in terms of design. Red viruses have yellow eyes, large buck-teeth, an outstretched tongue, round pill-shaped ears, and a pair of horns, with earlier depictions giving them floppier dog-like ears, thinner horns, a simple nose, and a spiked tail. According to the Tetris & Dr. Mario instruction manual, the red virus is female, making it the only one until the introduction of the magenta virus Confused in Dr. Luigi. Blue viruses have yellow eyes, thin stemmed eyebrows, no horns, and a single tooth, with earlier depictions rendering their eyebrows as spiked ears that wrap around the back of the head instead. Yellow viruses have orange eyes, two pairs of horns, a pronounced eyebrow ridge, and a unique snout-like nose with jowls, with earlier depictions typically having the eyes be smaller and uneven in size.

Viruses introduced in Dr. Luigi are vastly different in appearance from the others, lacking gloves on their hands and feet entirely. Cyan viruses are spherical and have large white eyes with gold irises, two small bulbous antennae on the top of their head, and a large mouth with four fangs and a long tongue. Magenta viruses have a cube-shaped body with three small horns on the top of their head and slightly mottled skin, large eyes with eyelashes and magenta irises, segmented arms with mitten-like hands, and a large square mouth with no visible teeth or tongue. The alternate yellow virus has a blob-like appearance, large eyes with green irises and droopy eyelids, a single spike protruding from the top of its head, low-hanging fork-shaped arms, and a long mouth featuring a line of teeth on the lower jaw.

Viruses introduced in Dr. Mario World share many design elements with the original three viruses, however, they all now have a more super-deformed appearance and noticeably lack arms. Green viruses have yellow eyes, two large leaf-like features atop its head, no teeth, and a sad or sick expression. Pink viruses have yellow eyes, a single bulb-like antenna atop its head, and a fixed wide grin with large puffed-out cheeks. Light-blue viruses are most similar in appearance to the original yellow viruses, though they have a lower eyebrow ridge, three horns instead of four, and a wide frown with a single tooth sticking up. Purple viruses have yellow eyes, a wide mouth with a single tooth off to the side on the upper jaw, and a single horn protruding from the front of the head.

In the NES version of Dr. Mario, when the player beats the game with the level and speed set to 20 and high respectively, a cutscene will play showing a UFO flying over a tree with the three viruses, who then enter the UFO, hinting that they might be aliens of some sort.[2] The UFO also appears before the title screen of Dr. Luigi.

Abilities[edit]

Viruses are contagious, to the point that one of them can multiply to fill an entire glass jar within seconds. According to the Nintendo Comics system, each virus has unique abilities that correspond with their names: red viruses can manipulate heat, blue viruses can manipulate cold, and yellow viruses can transform people into different shapes and species, which is referred to as "weirdness". In the Mario and Luigi series, viruses are able to change their color when attacked, and are shown to wield spears. When a virus is in a line with a minimum of three viruses or capsules of the same color, of which there is at least one capsule, all of them are eliminated. This property can vary depending on the game, either reducing the numerical requirement, detecting adjacency rather than a line, or not requiring a capsule.

Personalities and relationships[edit]

Throughout the Dr. Mario series, the three red, blue, and yellow viruses are shown to be mischievous, dancing beside the play board as if to mock the player. The Virus Vid series often portrays them as being too bumbling and incompetent to be cooperative, but being otherwise fond of each other's company ("they never seem to get together, but they do seem to get along… somehow"). The official Dr. Mario World Twitter and Facebook accounts, where announcements and updates related to the game are communicated in person by the aforementioned three viruses, provide some individual characterization. Yellow is shown to have a fondness for snacks[3][4][5] and a tendency to daydream and prattle about wings,[6][7] to Red's bemusement.[8] He is a self-described collector, scrabbling every bottle cap he finds without a practical reason for doing so,[9] and appears to be generous and selfless, as he claims to have given away his entire bottle cap collection to someone who really liked it.[10] He also claims to "forget stuff all the time".[11] Red secretly wishes to be popular, and when Yellow makes his secret public, he does not object, confidently stating that he is already popular due to his "eye-catching color".[12] In addition, Blue suggests that Red is a poor planner.[13] Blue tends to speak in a polite and elevated manner;[14][15][16][17] he typically occupies himself with researching newly added doctors and setting up video presentations to communicate his findings.[18][19][20]

Red, Blue, and Yellow are not gregarious with other characters. In their above-mentioned social media presence, they often express fear when announcing the arrival of a new doctor, uttering pleas such as "Please take it easy on me".[16][21][22] Blue claims to be terrified of children when he announces Dr. Baby Peach.[23] In a June 12, 2020 post, Yellow announced an in-game event where 20 of the then-available 21 doctors had their staffing rates increased by 1.5[24][25], with the omitted doctor being Dr. Waluigi[26]; the virus indicates in the post that said doctor was left out because they particularly do not get along.

Profiles and statistics[edit]

Super Smash Bros. series[edit]

Super Smash Bros. Melee[edit]

Trophy
Viruses
Virus
Game/move:
Dr. Mario
10/90
How to unlock: Randomly obtainable only in single-player modes
These contagious viruses make life difficult for Dr. Mario. They infect everything they come into contact with, and the good doctor must attempt to neutralize them with his trusty megavitamins. Dr. Mario can stop these pesky germs by lining up the megavitamin capsules of the same color with the nasty microorganism.

Super Smash Bros. Brawl[edit]

Sticker
Blue Virus
Blue Virus Sticker
Artwork from: Nintendo Puzzle Collection
Effects in The Subspace Emissary: [Electric] - Attack +5
Usable by: Anyone
Sticker
Red Virus
A Sticker of a Red Virus in Super Smash Bros. Brawl.
Artwork from: Nintendo Puzzle Collection
Effects in The Subspace Emissary: [Flame] - Attack +20
Usable by: Anyone
Sticker
Yellow Virus
Sticker of Yellow Virus from Super Smash Bros. Brawl.
Artwork from: Nintendo Puzzle Collection
Effects in The Subspace Emissary: Food Effect +4
Usable by: Anyone

Super Smash Bros. for Wii U[edit]

Trophy
Viruses
Viruses trophy from Super Smash Bros. for Wii U
Category: Other
(Applies only to the Wii U version) Appears in:
GB Dr. Mario (12/1990)
Wii Dr. Mario Online Rx (05/2008)
(Applies only to the Wii U version) Trophy Box: 75: Memorabilia
How to unlock:
Random
At the forefront of medical science, you have to be equal to whatever nature throws your way—that's why Dr. Mario's medicine cabinet includes red, blue, and yellow capsules to combat these red, blue, and yellow viruses! Over 20 years after Mario first took up medicine, Luigi joined the fight with his new L-shaped vitamin. (American English)
At the forefront of medical science, you have to be equal to whatever nature throws your way – that's why Dr. Mario's medicine cabinet includes red, blue and yellow capsules, for any colour of virus. If you can't visit Dr. Mario, at least go and see Dr. Luigi, who set up his first practice more than 20 years later. (British English)

Super Smash Bros. Ultimate[edit]

Spirit
#116 Viruses
Viruses's Spirit sprite from Super Smash Bros. Ultimate Series/game Dr. Mario Series
Type Support
Slots 1
Class Advanced
Strength / effect(s) Poison Damage Reduced
How to obtain World of Light (The Light Realm); Spirit Board
Spirit battle Opponent(s) Kirby ×3
Conditions

  • Timed battle
Stage Mario Bros. (Battlefield)
Song Fever

Mario & Luigi series[edit]

Mario & Luigi: Superstar Saga[edit]

Mario & Luigi: Superstar Saga enemy
Red Virus
Red Virus fromMario & Luigi: Superstar Saga HP 36 POW 64 Defense 40
Speed 60 Experience 22 (20) Coins 4
Location Woohoo Hooniversity Jump Normal Hammer Normal
Hand Normal Fire Heal Thunder Critical
Stat down? 100% Stun? 30% Burn? 60%
Level 16 Role Common Item drop Red Pepper – 16.13%
Ultra Nut – 25.81% (Red Pepper - 0%)
Notice
  • Stats in parentheses are from the Japanese version (if they differ from the original American and European stats).
  • Stats in gray are only found in the game's coding and are not available during "normal" gameplay.
Mario & Luigi: Superstar Saga enemy
Blue Virus
Blue Virus from Mario & Luigi: Superstar Saga HP 36 POW 44 Defense 60
Speed 80 Experience 22 (20) Coins 4
Location Woohoo Hooniversity Jump Normal Hammer Normal
Hand Normal Fire Critical Thunder Heal
Stat down? 100% Stun? 30% Burn? 60%
Level 15 Role Common Item drop Refreshing Herb (Green Pepper) – 16.13%
Green Pepper – 25.81% (0%)
Notice
  • Stats in parentheses are from the Japanese version (if they differ from the original American and European stats).
  • Stats in gray are only found in the game's coding and are not available during "normal" gameplay.
Mario & Luigi: Superstar Saga enemy
Yellow Virus
Yellow Virus from Mario & Luigi: Superstar Saga HP 36 POW 54 Defense 80
Speed 40 Experience 22 (20) Coins 4
Location Woohoo Hooniversity Jump Normal Hammer Normal
Hand Normal Fire Heal Thunder Heal
Stat down? 100% Stun? 30% Burn? 60%
Level 16 Role Common Item drop Refreshing Herb – 16.13% (38.71%)
Steady Badge – 25.81% (32.26%)
Notice
  • Stats in parentheses are from the Japanese version (if they differ from the original American and European stats).
  • Stats in gray are only found in the game's coding and are not available during "normal" gameplay.

Mario & Luigi: Dream Team[edit]

Mario & Luigi: Dream Team enemy
Virus (Red/Blue/Yellow)
Viruses from Mario & Luigi: Dream Team. HP 106 Role Common Level 24 Location(s) Mount Pajamaja, Dozing Sands, Mushrise Park, Driftwood Shore, Wakeport
Power 168 Position Normal No Hitter 37
Defense 230 World Real Weakness Fire Item drop Secret Box (5%)
POW Mush Jam (1%)
Speed 71 Experience 30 (36) Coins 6 (100%)

Mario & Luigi: Superstar Saga + Bowser's Minions[edit]

Mario & Luigi: Superstar Saga + Bowser's Minions enemy
Red Virus
Red Virus from Mario & Luigi: Superstar Saga + Bowser's Minions. HP 72 POW 62 DEF 38 SPEED 38 Experience 20
Fire Heal Thunder Critical Jump Normal Hammer Normal Coins 10
Stat down 60% Dizzy 30% Burn 30% Speed down 60% Item drop Refreshing Herb (24%)
Red Pepper (12%)
Red Pepper (100%)
Level           14 Location(s) Woohoo Hooniversity
Mario & Luigi: Superstar Saga + Bowser's Minions enemy
Blue Virus
Blue Virus from Mario & Luigi: Superstar Saga + Bowser's Minions. HP 72 POW 40 DEF 38 SPEED 58 Experience 20
Fire Critical Thunder Heal Jump Normal Hammer Normal Coins 10
Stat down 60% Dizzy 30% Burn 30% Speed down 30% Item drop Refreshing Herb (24%)
Green Pepper (12%)
Green Pepper (100%)
Level           14 Location(s) Woohoo Hooniversity
Mario & Luigi: Superstar Saga + Bowser's Minions enemy
Yellow Virus
Yellow Virus from Mario & Luigi: Superstar Saga + Bowser's Minions. HP 72 POW 40 DEF 62 SPEED 38 Experience 20
Fire Heal Thunder Heal Jump Critical Hammer Normal Coins 12
Stat down 60% Dizzy 30% Burn 30% Speed down 60% Item drop Red Pepper (21%)
Steady Badge (12%)
Steady Badge (40%)
Level           14 Location(s) Woohoo Hooniversity

Quotes[edit]

Main articles: List of quotes by Red, List of quotes by Blue, List of quotes by Yellow

Gallery[edit]

For this subject's image gallery, see Gallery:Virus.

Names in other languages[edit]

Language Name Meaning Notes
Japanese ウイルス[27]
Uirusu
Virus
Chinese 病毒[?]
Bìngdú
Virus
French Virus[?] -
German Virus[?] -
Italian Virus[?] -
Korean 바이러스[?]
Baireoseu
Virus
Portuguese Vírus[?] Virus
Russian Вирус[?]
Virus
Virus
Spanish (NOA) Virus[?] -
Spanish (NOE) Bacteria[?] -

Red[edit]

Language Name Meaning Notes
Japanese レッド[27]
Reddo
Red

Blue[edit]

Language Name Meaning Notes
Japanese ブルー[27]
Burū
Blue

Yellow[edit]

Language Name Meaning Notes
Japanese イエロー[27]
Ierō
Yellow

References[edit]

  1. ^ Motoko Chan no Wonder Kitchen gameplay
  2. ^ [1]
  3. ^ Drmarioworld_EN (December 10, 2020). Yellow: "There's an event starting today! If you want all the rewards, you'll have to eliminate 2,000 of us. Hey, how come we don't get any rewards? We're the ones getting eliminated! Could I at least get a snack or something?" #DrMarioWorld. Twitter. Retrieved May 4, 2022. (Archived December 10, 2020, 10:30:33 UTC via Wayback Machine.)
  4. ^ Drmarioworld_EN (May 27, 2021). Yellow: "There's an event starting today! Eliminate 2,000 of us to get all rewards! It's been so rainy around here... Nothing dampens my mood like everything getting soaked! Luckily, all I have to do is think about delicious snacks to help get me through the day!" #DrMarioWorld. Twitter. Retrieved June 28, 2022. (Archived May 27, 2021, 08:00:22 UTC via Wayback Machine.)
  5. ^ Drmarioworld_EN (September 1, 2021). Yellow: "The Log-In Bonus for September started today! You can get diamonds every day! Hmm... I wonder if I can trade diamonds for some snacks..." #DrMarioWorld. Twitter. Retrieved May 4, 2022. (Archived September 1, 2021, 08:25:04 UTC via Wayback Machine.)
  6. ^ Drmarioworld_EN (December 28, 2020). Yellow: "An event is going on where flying ? Blocks appear over some of the stages ahead. So much going on lately...I bet I'd get everything done faster if I had those wings! Anyway, more news coming up soon!" #DrMarioWorld. Twitter. Retrieved May 4, 2022. (Archived December 28, 2020, 08:00:46 UTC via Wayback Machine.)
  7. ^ Drmarioworld_EN (January 28, 2021). Blue: "That block-hitting event just started in some of the later stages. Meanwhile, Yellow continues to go on and on about wings. I don't think he even wants to fly. I think he just thinks they're pretty." #DrMarioWorld. Twitter. Retrieved May 4, 2022. (Archived January 28, 2021, 08:15:23 UTC via Wayback Machine.)
  8. ^ Drmarioworld_EN (December 3, 2020). Red: "An event is going on where flying ? Blocks appear over some of the stages ahead. Speaking of which, Yellow keeps talking about making his own pair of wings. Where'd he even get the idea?" #DrMarioWorld. Twitter. Retrieved May 4, 2022. (Archived December 3, 2020, 06:30:32 UTC via Wayback Machine.)
  9. ^ Drmarioworld_EN (March 25, 2021). Yellow: "An event to collect stars has started! If you collect 40 stars, you'll get all the rewards! Did you know I'm a collector too? Really! I nab every bottle cap I can find. No clue what I'm gonna do with them though…" #DrMarioWorld. Twitter. Retrieved June 28, 2022. (Archived March 25, 2021, 07:30:17 UTC via Wayback Machine.)
  10. ^ Drmarioworld_EN (April 23, 2021). Yellow: "An event to collect stars has started, so give it your best so you can get all the rewards! Speaking of, I recently found someone who really liked my bottle cap collection, so I gave them all away! Doesn't it feel good to do nice things for people?" #DrMarioWorld. Twitter. Retrieved June 28, 2022. (Archived April 23, 2021, 00:30:51 UTC via Wayback Machine.)
  11. ^ Drmarioworld_EN (April 1, 2021). Yellow: "There's an event starting today! Eliminate 2,000 of us to get all rewards. Have you been using the rewards you've been getting? Don't worry, I also forget stuff all the time! Still, it's kind of a waste to just hoard them..." #DrMarioWorld. Twitter. Retrieved June 28, 2022. (Archived April 1, 2021, 07:30:33 UTC via Wayback Machine.)
  12. ^ Drmarioworld_EN (February 10, 2021). Red: "An event is going on where flying ? Blocks appear over some stages ahead. Yellow revealed my secret wish to be popular, but so what? I'm already popular. Red's the most eye-catching color!" #DrMarioWorld. Twitter. Retrieved May 4, 2022. (Archived February 10, 2021, 06:30:24 UTC via Wayback Machine.)
  13. ^ Drmarioworld_EN (July 21, 2021). Blue: "The five specialists this week have their attack speed and defense increased by 10%. I'd personally recommend Dr. Luigi, as his defense is the highest of any doctor in this group—perfect for those who prefer to carefully plan out their approach. Unlike Red." #DrMarioWorld. Twitter. Retrieved May 4, 2022. (Archived July 21, 2021, 06:30:08 UTC via Wayback Machine.)
  14. ^ Drmarioworld_EN (November 28, 2019). Blue: "Doctors are featured until 9:59 PM on Dec. 1 PT. This will make it easier to effectively bolster your staff. It's quite an impressive array of doctors, if I do say so myself." #DrMarioWorld. Twitter. Retrieved September 16, 2022. (Archived November 28, 2019, 10:31:26 UTC via Wayback Machine.)
  15. ^ Drmarioworld_EN (January 6, 2020). Blue: "Ah, it would seem that the Free Continue event is on again. You can even extend the length of timed Challenge Stages by 15 seconds and continue playing. Be sure to use this wisely." #DrMarioWorld. Twitter. Retrieved September 16, 2022. (Archived January 12, 2020, 10:22:21 UTC via Wayback Machine.)
  16. ^ a b Drmarioworld_EN (January 30, 2020). Blue: "I have the pleasure of introducing a new doctor appearing Feb. 3, 2 AM PT. It's Dr. Larry! He's the third Koopaling to join the battle! And look, he's got the same bag as Ludwig and Wendy. Please take it easy on me." #DrMarioWorld. Twitter. Retrieved September 16, 2022. (Archived February 1, 2020, 00:04:19 UTC via Wayback Machine.)
  17. ^ Drmarioworld_EN (March 4, 2020). Blue: "Allow me to humbly introduce a new doctor appearing Mar. 5, 1 AM PT! It's Dr. Fire Luigi! Just two months after his big brother arrived, he's turning up the heat! Guess it took him quite a while to find a Fire Flower. Please take it easy on me." #DrMarioWorld. Twitter. Retrieved September 16, 2022. (Archived March 4, 2020, 05:00:53 UTC via Wayback Machine.)
  18. ^ Drmarioworld_EN (September 5, 2019). Blue: "I've done some research on the four new doctors and four new assistants who are making their debut on Sep 5 at 2 AM PT. I have put together a video presenting my findings!" #DrMarioWorld. Twitter. Retrieved September 16, 2022. (Archived September 19, 2019, 02:12:07 UTC via Wayback Machine.)
  19. ^ Drmarioworld_EN (December 12, 2019). Blue: "I've gathered information regarding the two new doctors and one new assistant making their debut today at 11 PM PT and put it in a video. From ice, floaties, bubbles, or blocks, Dr. Kamek's skill can get them all in one go!" #DrMarioWorld. Twitter. Retrieved September 16, 2022. (Archived December 12, 2019, 13:56:36 UTC via Wayback Machine.)
  20. ^ Drmarioworld_EN (January 9, 2020). Blue: "I have gathered information regarding the two new doctors and one new assistant debuting tomorrow at 2 AM PT, and I've compiled it in a video. Both doctors can clear whole lines in one shot, so we'll need to consider our positioning and avoid lining up!" #DrMarioWorld. Twitter. Retrieved September 16, 2022. (Archived January 10, 2020, 23:26:44 UTC via Wayback Machine.)
  21. ^ Drmarioworld_EN (April 1, 2020). Red: "A new doctor's coming Apr. 2, 1 AM PT. It's Dr. Nabbit! I wonder about consolidating that luggage... I mean, all that stuff could just go in that big sack! Think about it. Dr. Nabbit's the only new doc this time. Please take it easy on me." #DrMarioWorld. Twitter. Retrieved May 4, 2022. (Archived April 1, 2020, 08:21:48 UTC via Wayback Machine.)
  22. ^ Drmarioworld_EN (July 27, 2020). Red: "Big news! Seems like THAT doctor is returning. I heard today's his 30th rotation around the sun. I don't think that's too old, but you should all wish him a happy birthday. Please take it easy on me." #DrMarioWorld. Twitter. Retrieved May 4, 2022. (Archived November 28, 2020, 14:41:52 UTC via Wayback Machine.)
  23. ^ Drmarioworld_EN (September 4, 2019). Blue: "Well these doctors seem...qualified. Oh, there's more! Dr. Baby Peach will also be introduced on Sep 5. It would be prudent to make sure her pacifier is disinfected before she uses it. And please keep your distance...children terrify me." #DrMarioWorld. Twitter. Retrieved May 4, 2022. (Archived September 16, 2019, 06:00:11 UTC via Wayback Machine.)
  24. ^ Drmarioworld_EN (June 12, 2020). Yellow: "Looks like doctor staffing rates are currently 1.5 times higher than normal. 20 doctors are available for staffing, and you can see them from Details under Staffing. As for that one I don't get along with... Yep, there you go." #DrMarioWorld. Twitter. Retrieved October 24, 2021. (Archived June 12, 2020, 01:30:34 UTC via Wayback Machine.)
  25. ^ Dr. Mario World (June 12, 2020). Yellow: "Looks like doctor staffing rates are currently 1.5 times higher than normal. 20 doctors are available for staffing, and you can see them from Details under Staffing. As for that one I don't get along with... Yep, there you go." Facebook. Retrieved October 24, 2021.
  26. ^ Sam Hard (June 15, 2020). Dr. Mario World: 38 staffing pulls; 16 doctors. YouTube. Retrieved October 24, 2021.
  27. ^ a b c d Drmarioworld_JP (June 17, 2019). きょうのウイルス 6/18-1 レッド、ブルー、イエロー。3匹のウイルスたちが今日からこのアカウントで「ドクターマリオ ワールド」のことをお知らせしていくようですよ。フォローしてあげてくださいね。#ドクマリ. Twitter (Japanese). Retrieved June 18, 2019. (Archived November 18, 2022, 02:41:05 UTC via Wayback Machine.)