Editing Virus

{{species infobox
|image=[[File:DrMarioWorld - Viruses.png|300px]]<br>A group of viruses from ''[[Dr. Mario World]]''
|first_appearance=''[[Dr. Mario (game)|Dr. Mario]]'' ([[List of games by date#1990|1990]])
|latest_appearance=''[[WarioWare: Move It!]]'' ([[List of games by date#2023|2023]])
|variants=[[Dizziness Virus]]<br>[[Floatie virus|Floatie Virus]]<br>[[Wheel 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-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.

==History==
===''Dr. Mario'' series===
====''Dr. Mario''====
{{multiframe
|[[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
}}
[[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.
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====''Dr. Mario 64''====
{{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''====
[[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.
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====''Dr. Luigi''====
{{multiple image
|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 (Dr. Mario World)|ice]], encased in [[bubble]]s, protected by cages that could be unlocked with [[lock block]]s, or hidden by [[Cloud (Dr. Mario World)|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''===
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''===
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===
====''Super Smash Bros. Melee''====
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.

====''Super Smash Bros. Brawl''====
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.

====''Super Smash Bros. for Wii U''====
In ''[[Super Smash Bros. for Wii U]]'', there is a randomly obtainable trophy of all three Viruses, similarly to ''Super Smash Bros. Melee''.

====''Super Smash Bros. Ultimate''====
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.

The Viruses are also referenced in [[Dr. Mario]]'s [[Dr. Mario#Super Smash Bros. Ultimate|Classic Mode route]], where he has to fight three fighters in their red, yellow, and blue costumes in each round.

===''WarioWare'' series===
{{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.
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===''Mario & Luigi'' series===
====''Mario & Luigi: Superstar Saga'' / ''Mario & Luigi: Superstar Saga + Bowser's Minions''====
{{multiframe
|[[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]]
|Sprites of the viruses between games
|size=150
|align=right
}}
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]]).

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. 

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
}}
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 {{wp|No symbol|prohibition sign}} on the wall featuring a blue virus.

====''Mario & Luigi: Dream Team''====
[[File:MLDT Virus.png|frame|right]]
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. [[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]].

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===
====''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]]''.
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==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
}}

====''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.
}}

====''Super Smash Bros. Ultimate''====
{{Spirit
|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]]}}

====''Mario & Luigi: Dream Team''====
{{:Mario & Luigi: Dream Team bestiary|transcludesection=Virus (Red/Blue/Yellow)|align=horizontal}}

====''Mario & Luigi: Superstar Saga + Bowser's Minions''====
{{:Mario & Luigi: Superstar Saga + Bowser's Minions bestiary|transcludesection=Red Virus|align=horizontal|image=[[File:MLSSBMVirusRedIdle.gif]]}}
{{: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]]}}

==Quotes==
{{main|List of quotes by Red|List of quotes by Blue|List of quotes by Yellow}}

==Gallery==
{{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
|Jpn=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>
|JpnR=Uirusu
|JpnM=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
|Jpn=レッド<ref name=DMWJP/>
|JpnR=Reddo
|JpnM=Red
}}

===Blue===
{{foreign names
|Jpn=ブルー<ref name=DMWJP/>
|JpnR=Burū
|JpnM=Blue
}}

===Yellow===
{{foreign names
|Jpn=イエロー<ref name=DMWJP/>
|JpnR=Ierō
|JpnM=Yellow
}}

==References==
<references/>

{{DM64}}
{{M&LSS}}
{{M&LBIS}}
{{M&LDT}}
{{DMMC}}
{{DMW}}
[[Category:Aliens]]
[[Category:Diseases]]
[[Category:Poisonous creatures]]
[[Category:Parasites]]
[[Category:Amiibo tap: Nintendo's Greatest Bits]]
[[Category:Dr. Luigi]]
[[Category:Dr. Mario]]
[[Category:Dr. Mario 64]]
[[Category:Dr. Mario Express]]
[[Category:Dr. Mario: Miracle Cure]]
[[Category:Dr. Mario Online Rx]]
[[Category:Dr. Mario Vitamin Toss]]
[[Category:Dr. Mario World]]
[[Category:Mario & Luigi: Bowser's Inside Story enemies]]
[[Category:Mario & Luigi: Dream Team enemies]]
[[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]]