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7A character who is somehow immune to all disease.
8
9In RealLife, diseases are a constant and major threat to survival, even for individuals who lead less adventurous lives. And while the human immune system can perform amazing feats of self-preservation at times and has a knack of being able to counter almost anything you can throw at it, no one is truly safe in the face of new, hitherto unseen virus strains and bacteria mutations (not to mention [[TheTopicOfCancer cancer]]). After all, with the exception of vaccination and some influence from genetics, you have to get sick to become immune to something in the first place.
10
11In fiction, however, illness mainly [[SickEpisode happens]] [[PerfectHealth for dramatic reasons]], and some speculative fiction authors even go as far as to invent fantastic means to prevent characters from getting sick in the first place. This trope is about such characters.
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13Often possessed by many supernatural creatures with a HealingFactor, or immortal entities such as gods. Also typically a feature of the PlagueMaster, who would necessarily have to be immune on some level (they ''may'' harbor the outward signs, but are unlikely to actually die from them) to the many diseases they spread around.
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15Compare STDImmunity and WeWillHavePerfectHealthInTheFuture. May coexist with NighInvulnerability -- in this trope's case, it's the immune system that is invulnerable to viruses and bacterial strains.
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17Related to TheImmune, a character who for one reason or another is resistant to a ''particular'' disease.
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19See also TheNeedless.
20----
21!!Examples:
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23[[foldercontrol]]
24
25[[folder:Anime and Manga]]
26* Suzu of ''Manga/AyakashiTriangle'' mentions she's never gotten sick, attributing it to her being an ayakashi medium. It's also a bit of joke on her [[IdiotsCannotCatchColds scatterbrained attitude]]. The only time she seemingly gets sick, [[YourMindMakesItReal it's actually just a fit of stress]].
27* Dragons in ''Manga/MissKobayashisDragonMaid'' are immune to all diseases, which is good considering that their massive size often makes personal hygiene a hassle. However, this ends up throwing a wrench in Kanna's attempts to pull a CaretakerReversal with Saikawa in her SpinOff, and Tohru's lack of reference for the severity of different illnesses in the main series means that [[MinorInjuryOverreaction she runs herself ragged trying to find medicine for Kobayashi when she comes down with a fever]].
28[[/folder]]
29
30[[folder:Comic Books]]
31* ''Franchise/TheDCU'':
32** Poison Ivy from ''ComicBook/{{Batman}}'' is said to be immune to all toxins and diseases. This becomes a plot point in ''ComicBook/BatmanContagion'', in which Batman asks her help to deliver an experimental cure for [[ThePlague Ebola Gulf-A]] into a quarantined area.
33** The ComicBook/LegionOfSuperHeroes once fights a villain named Immune, whose sole superpower is resistance to all forms of disease.
34** In ''ComicBook/TeenTitans'', one of the side effects of Beast Boy's powers is that he's incapable of getting sick. This apparently didn't carry over to [[WesternAnimation/TeenTitans2003 the cartoon]], since one episode had him getting a cold.
35* In the ''ComicBook/JudgeDredd'' story "No Future", the four dreaded Dark Judges accidentally end up in a future Earth populated solely by very technologically advanced {{Transhuman}}s. Judge Mortis is a bit confused that his [[MakeThemRot rotting touch]] had zero effect on his would-be victim, until the latter explains that their environment protects them from all contagions, including Mortis himself.
36* ''Franchise/MarvelUniverse'':
37** Whether it's being an [[ComicBook/TheEternals Eternal]], a god, or a Herald of Galactus, if a character has immortality, then a total immunity to disease is also part of the package.
38** ComicBook/TheIncredibleHulk is immune to pretty much every disease on Earth, including AIDS. This becomes a plot point when his old friend Jim Wilson returns to his life having contracted AIDS, and has to deal with the dilemma whether to [[SuperhumanTransfusion give Jim a transfusion of his blood]] which could save his life, but condemn him to a life much like his. [[ReedRichardsIsUseless He doesn't go through with it]].
39* ''ComicBook/{{Promethea}}'', being a sort of avatar of human imagination, is at one point stated to be "disease-proof".
40* ''ComicBook/{{PS238}}'': [[FlyingBrick F.I.S.S. metahumans]] have superpowered immune systems alongside everything else and are immune to most common forms of sickness. [[spoiler:Even an alien bioweapon is defeatable in its early stages by a F.I.S.S. blood donation, although a PowerNullifier is needed to keep the blood from killing the patient afterwards.]] Guardian Angel is also immune to disease, but that's because her GuardianEntity prevents all harm from coming to her -- [[spoiler:when the same PowerNullifier is used on her, it turns out that she has no 'natural' immune system from birth at all and she is killed by a ''Rhinovirus'' infection]].
41[[/folder]]
42
43[[folder:Fan Works]]
44* ''Fanfic/AlwaysVisible'': The work does not say how things were with Delia’s health, but considering that she sat without any problems all night on an open window in one chemise, she apparently does not complain about her health.
45* Elsa in ''Fanfic/BecomingFree'' almost never gets sick due to being AnIcePerson. Most normal viruses and illnesses don't affect her.
46* [[Manga/MyHeroAcademia Izuku Midoriya]] in ''Fanfic/CursedBlood''. In this story, Izuku has a Quirk that manifests in the form of micro-organisms that inhabit his blood. However, it doesn't actually make Izuku immune - the micro-organisms just wipe out any foreign cell or virus entering Izuku's body before it interacts with anything else.
47* ''Fanfic/VowOfNudity'': Spectra plays this perfectly straight, with her necklace preventing any disease. Haara has a downplayed version, in that she can use her HealingHands on herself to cure any disease, but nothing's stopping her from initially contracting it.
48* In ''Fanfic/WithAKeyAndAKite'', part of Eliza Schuyler Hamilton’s superpower is that she has a HealingFactor and is immune to infections and diseases. When everyone in her house gets scarlet fever, she doesn't, and drinking at homes with cholera still doesn’t give her any ailments.
49[[/folder]]
50
51[[folder:Films -- Live-Action]]
52* Brandon Breyer from ''Film/{{Brightburn}}'' has never been sick, owing to his extraterrestrial nature.
53* In ''Film/TheManWhoCouldCheatDeath'', Dr. Bonnet explains to Dr. Gerrard that ever since he had the first transplant that granted him eternal youth, he has never been sick, never had a headache or a toothache, or even a blemish on his skin. So long as he has a transplant every ten years, he never will.
54* Damian Thorn from the ''Film/TheOmen'' never gets ill with any common childhood illnesses, and is apparently also immune to dangerous chemicals.
55* ''Film/{{Unbreakable}}'': One of the factors that make David realize that he is superhuman is the fact that he's never gotten sick or taken a day off from work.
56[[/folder]]
57
58[[folder:Literature]]
59* The vampires of the ''Literature/BlackDaggerBrotherhood'' very rarely have to worry about illness, and never human ones -- as Wrath points out 'I couldn't catch anything you might give me' and are immune to cancer (which is handy, because several of them smoke like chimneys). This also extends to having STDImmunity (luckily for sex-obsessed Rhage).
60* ''Literature/CityOfBones1995'': Krismen are bio-engineered to be highly resistant to the venom of various desert creatures, as well as immune to heatstroke and most diseases that afflict humans—and also can't be affected by [[spoiler:Wardens' soul reading or the Inhabitants' MindRape]]. However, they can contract infection from bad wounds or from forcing foreign objects into their pouch.
61* In ''Literature/{{Doom}}'', Arlene gives Jill a sex ed talk during the LA mission. Afterward, she laments that humanity had beaten [=STDs=], including AIDS, just in time for aliens to wipe out most of the species.
62* In ''Literature/{{Emergence}}'', [[HumanSubspecies hominems]] are immune to any infectious disease that humans can contract. However, they are not immune to food poisoning, as one hominem learns while also learning he's actually a hominem (he'd always thought he was human).
63* ''Literature/TheFrugalWizardsHandbookForSurvivingMedievalEngland'': One function of the protagonist's internal {{Nanomachines}} is to boost his immune system. It's a big help when he's TrappedInAnotherWorld, neutralizing potential hazards like drinking contaminated water or spreading an Earth disease to the locals.
64* In the ''Literature/{{Newsflesh}}'' series, a genetically modified virus means people are immune to the common cold and [[CureForCancer never get cancer]]. [[GoneHorriblyRight Instead, they turn into zombies]].
65* Most humans born on Earth in the ''Literature/NoonUniverse'' undergo the procedure called "fukamization", which renders them impervious to all diseases and even harmful radiation.
66* In ''Literature/{{Renegades}}'', an artifact called the Amulet of Vitality grants the wearer the immunity not only to all diseases, but also poisons and superpowers that mess with the body, such as {{Power Parasit|e}}ism. After Adrian tattoos its pattern on himself with his [[ThePowerOfCreation Power of Creation]], he's similarly immune.
67* ''Literature/ASongOfIceAndFire'': This is one of the superhuman, vaguely [[OurElvesAreDifferent elven]] characteristics popularly attributed to [[RoyalBlood the Targaryens]], with Daenerys being confident enough of this that she personally tends to people dying of the flux ([[CallARabbitASmeerp i.e., dysentery]]). As to the accuracy of this belief, there are multiple historical cases related in the books of Targaryens getting ill (Princesses Maegelle and Daenerys -- daughters of Jaehaerys I -- died of grayscale and what sounds like a flu, Aegon III of consumption, Viserys II of a unknown illness,[[note]]which admittedly may have been poison[[/note]] Daeron II and his two immediate heirs of the Great Spring Sickness, Jaehaerys II -- Daenerys' own grandfather -- of another unknown illness, and Maester Aemon of pneumonia), [[spoiler:and Dany displays mysterious symptoms of ''something'' at the end of ''Literature/ADanceWithDragons'']].
68* The [[OurElvesAreDifferent elves]] in ''Franchise/TolkiensLegendarium'' are utterly unaffected by diseases, along with other nifty talents.
69* ''Literature/{{Warbreaker}}'': Holding Breath strengthens the immune system; thus, [[TheSoulless Drabs]] are more vulnerable to disease, while those with several hundred Breaths on up are essentially immune to sickness. [[spoiler:This ends up screwing Vivenna over when she has to temporarily give up her stockpile of Breath, and suddenly comes down with multiple diseases that Breath was holding at bay.]]
70* The Windup people of ''Literature/TheWindupGirl'' all have total disease immunity as part of their [[ComboPlatterPowers suite of genetic alterations]]. This is a huge benefit in dystopian future Earth where genetic engineering gone wild has led to an explosion of man-made diseases. The EvilGenius generipper who helped bring about this CrapsackWorld argues it would be better to upgrade humanity as a whole than fight a losing battle against pandemics.
71* The eponymous witchers of the ''Franchise/TheWitcher'' saga, including the protagonist Geralt, are immune to all known diseases (including plague, which is new to his world) as a result of their mutation. Which, incidentally, allows them to [[STDImmunity screw around without fear of STDs]].
72[[/folder]]
73
74[[folder:Live-Action TV]]
75* A variation with the [[RubberForeheadAliens Irathient]] in ''Series/{{Defiance}}''. They are immune to most diseases, but they can still be carriers. This is one of the reasons they are looked down upon by most races, especially since they are inherently distrustful of vaccines.
76* This is the plot of ''Series/TheImmortal1969''. The protagonist is immune to all known diseases, and a lot of people want to chase him down and get his blood because of it.
77* Played with in ''Series/TheOfficeUS''. Dwight claims that he has never been sick in his life. Jim rightly points out that Dwight shouldn't have any immunities then.
78* ''Series/TheOuterLimits1995'': The episode "[[Recap/TheOuterLimits1995S1E15TheNewBreed The New Breed]]" involves prototype [[{{Nanomachines}} nanites]] developed to make this a reality. Basically, the nanites are designed to move through the body and look for any cellular abnormalities. The damaged or mutated cells would then be restored to their original state. And yes, someone even accuses the scientist who develops them of playing God. Unfortunately, a friend of his decides to inject himself with the nanites before they're fully tested. Given the nature of the series, things [[GoneHorriblyWrong go horribly wrong]].
79* Goa'uld hosts in ''Series/StargateSG1'' are immune to diseases thanks to the symbiote's innate HealingFactor (it can also heal diseases that the host has before the Goa'uld is implanted). [[{{Mooks}} Jaffa]], which serve as incubators to Goa'uld larvae, have a lesser version of this immunity and must enter a meditative trance to heal. This is actually part of a deal worked out between the [[HumansByAnyOtherName Tau'ri]] and the [[LaResistance Tok'ra]]. Since the Tok'ra require the host's consent before being implanted, Daniel offers sending them hosts from among the terminally ill. The ill would likely agree to become a Tok'ra host in exchange for a cure. Jacob Carter (Sam's father) becomes the first. The Tok'ra symbiote Selmak cures his cancer. In return, Jacob's military experience proves invaluable to the Tok'ra.
80* ''Franchise/StarTrek'':
81** The Ferengi are immune to almost all known diseases, but they can get infections.
82** Data from ''Series/StarTrekTheNextGeneration'' and the Doctor from ''Series/StarTrekVoyager'', being artificial life forms, are immune to all diseases that threaten their meatbag colleagues.
83[[/folder]]
84
85[[folder:Tabletop Games]]
86* In ''TabletopGame/SeventhSea'', characters with Sidhe Blood can take a blessing which makes them age more slowly and makes them immune to illness.
87* In ''TabletopGame/{{Aberrant}}'', Novas are immune to all [[{{Muggles}} baseline]] diseases. However, some Nova specific diseases have begun to evolve (or been created).
88* One option for the "Life Support" power in ''TabletopGame/{{Champions}}'' is Immunity to All Terrestrial Diseases, 5 points. Or you can just buy Immunity to a specific disease, but if you want multiple immunities, it's cheaper to just buy the whole thing.
89* ''TabletopGame/ChroniclesOfDarkness'': A number of the game's splats (including [[TabletopGame/WerewolfTheForsaken werewolves]], [[TabletopGame/PrometheanTheCreated Prometheans]], and the fan-made [[TabletopGame/LeviathanTheTempest Leviathans]]) gain their Supernatural Potency as a bonus to resist poison or disease.
90* ''TabletopGame/DungeonsAndDragons'':
91** Characters of ThePaladin class of 3[[superscript:rd]] level and higher are immune to all forms of sickness, thanks to their piety and favor with the gods. Consequentially, if they [[FallenHero Fall]], their immunity to disease is revoked with all the other bonuses.
92** Anti-Paladins, on the other hand, are immune to the ''effects and symptoms'' of diseases, but they can still be ''infected'' and thus act as ''carriers'' to ([[{{Plaguemaster}} deliberately]]) ''spread'' plagues and diseases to others. A prestige class called "[[TheTopicOfCancer Cancer Mage]]" is designed to [[ExploitedImmunity weaponize a similar immunity]].
93** The Monk class gains "Purity of body" at 5[[superscript:th]] level, which gives immunity to natural diseases. This is considered much less interesting than the Paladin power, since natural diseases are easy to heal by any mid-level cleric, and even without access to magic any character with good fortitude saves is likely to recover naturally in a few days. Magical and supernatural diseases, now, tend to be much nastier.
94** Some {{Prestige Class}}es gain similar immunities; the Tattooed Monk can pick a PowerTattoo granting immunity to natural diseases (and later, to poison and aging); the Contemplative, a prestige class for divine casters with a stronger rapport with their deity, grant complete immunity to natural and magical diseases with the first level.
95** In 1[[superscript:st]] Edition, several monster types were immune to disease, such as hollyphants, shades, and werebears.
96** Undead and Constructs are also immune to disease, for the simple reason that they're not alive.
97* The ''TabletopGame/{{Exalted}}'' are highly resistant to disease, but not completely immune. Some magic, however, can grant such immunity, like the appropriately named Solar charm [[ExactlyWhatItSaysOnTheTin Immunity to Everything Technique]].
98* ''TabletopGame/{{GURPS}}'':
99** The third edition has the Advantage called Immunity to Disease, which gives complete immunity to all diseases. The Advantage called Immortality includes Immunity to Disease.
100** The fourth edition has the Immunity to Disease advantage (along with lesser versions which give bonuses to resisting diseases). It does not come standard with any level of Unkillable (4e's version of the Immortality advantage).
101* ''TabletopGame/Warhammer40000'':
102** The {{Space Marine}}s are all immune to illness by designs of their maker, the [[GodEmperor Emperor of Mankind]].
103--->''"They will be untouched by plague or disease; no sickness will blight them."''
104** {{Averted|Trope}} by the Death Guard legion and other Plague Marines, who sold themselves to the service of Nurgle, the [[{{Plaguemaster}} god of pestilence and decay]], after they were infected with a plague (created by Nurgle himself) so virulent even their enhanced immune systems couldn't cope with it and selling their souls was the only way to survive. Similarly, in the novel ''[[Literature/SpaceWolf Ragnar's Claw]]'', a group of Space Wolves is sickened by mere proximity to an Unclean One, a greater daemon of Nurgle.
105** ''TabletopGame/DarkHeresy'' and the other ''[=WH40K=]'' [=RPGs=] have a few traits that make a being immune to diseases (among other things), most notably "machine" (commonly found on machines, but also on techpriests and other heavily cyberneticized beings) and "stuff of nightmares" (usually associated with things like Daemons; gives the being, as stated by the rulebook, "an appalling list of immunities"). Dark Eldar Haemonculi and their fleshcrafted minions also have a trait that makes the immune to poisons and diseases.
106[[/folder]]
107
108[[folder:Video Games]]
109* In ''VideoGame/{{Battleborn}}'', the Jennerit's Sustainment process makes those who've undergone it not only [[TheAgeless never aging]] immortals but also grants them immunity from natural illnesses.
110* ''VideoGame/CastlevaniaLordsOfShadow2'': Being a vampire cursed with CompleteImmortality, Gabriel Belmont/Dracula is naturally immune to all poisons and diseases; for example, when he is exposed to an [[SyntheticPlague artificially engineered virus]] that turns humans into monsters instantly, he is completely unaffected. There are not even ill effects for drinking their corrupted blood.
111* ''Franchise/TheElderScrolls'':
112** Throughout the series, this is a racial trait of the [[LizardFolk Argonians]]. Downplayed in that it's not truly "ideal," but the Argonians are naturally highly resistant to most forms of disease. This actually may have hurt their reputation during the deadly Knahaten Flu outbreak in the 2nd Era, which crippled much of Tamriel. As the Argonians were immune to the disease, [[ReptilesAreAbhorrent they were blamed as the creators (or at least as carriers) of the disease]], [[FantasticRacism souring their relations with many of the other races of Tamriel]].
113** In all games save ''[[VideoGame/TheElderScrollsArena Arena]]'', being a vampire renders you immune to disease, which is a little ironic considering that you become one by ''contracting'' a disease (variously known as vampirism, porphyric hemophilia, or sanguinare vampiris depending on the game). This also allows for a OneCurseLimit and HybridOverkillAvoidance with lycanthropy, as the two diseases are mutually exclusive (barring cheats or mods).
114** The Corprus Disease in ''[[VideoGame/TheElderScrollsIIIMorrowind Morrowind]]'' grants the infected immunity to all other diseases -- at the cost of major case of insanity and BodyHorror. If the player follows the storyline, however, they will contract Corprus and be healed of its negative effects in short succession -- while retaining the nifty perk of perfect immunity to everything.
115** In ''[[VideoGame/TheElderScrollsVSkyrim Skyrim]]'', being a werewolf likewise makes you immune to all diseases. Also, with enough skills and materials, you can enchant equipment to fully protect you from diseases, or find such items through luck (which is the prerequisite to unlock disease immunity enchantment through destroying it).
116* The vorcha in ''Franchise/MassEffect'' are immune to all diseases, which allowed the mostly vorcha Blood Pack mercenaries to try to take over Omega's slums when the Collector plague hit in ''VideoGame/MassEffect2''. They presumably evolved this to counter their incredibly violent lifestyles (infection would have rendered them extinct long ago without it); even ''with'' this immunity, their lifespan is still only about thirty years on the outside. However, it's worth mentioning that, according to the in-game codex, they are not immune to everything ''at the same time''. Basically, they have clusters of unassigned stem cells (which can turn into any type of cell possible but haven't) in their bodies even during adulthood, so when they are faced with life-threatening situations, these cells change to counter that (krogan use this in Bloodpack by beating vorcha, making them get thicker skins). If a new disease is introduced, these cells make sure that vorcha are immune, but the number of these clusters is limited and when they are used up, they can't regrow. In other words, the vorcha immune to Omega plague would have probably died if exposed to a normal deadly disease.
117* ''Franchise/SonicTheHedgehog'': Shadow the Hedgehog's status as the UltimateLifeForm isn't solely due to sheer power, it's because he's TheAgeless and has a perfect immune system, and thus biologically immortal. [[spoiler:His creator was aiming for this to save his terminally ill daughter.]]
118* This serves as a minor plot point in ''VideoGame/StarOceanTheLastHope'' [[spoiler:when Reimi contracts an always fatal disease from the inhabitants of a foreign planet. Eventually she has no choice but to reveal that she was genetically engineered to resist all diseases. Within time, the petrification of her left foot disappears]].
119* ''VideoGame/TraumaCenter'': [[spoiler:Rosalia Rosellini]] from ''Trauma Team'' is miraculously able to exist in perfect symbiosis with a super-virus [[spoiler:and implied MysticalPlague]] that renders her immune to any other form of disease. Unfortunately, this applies only to that character, and anyone else who contracts the virus falls victim to a deadly infection with amped-up symptoms of viral hemorrhagic fever (VHF) that kills in a matter of days.
120* According to the unit lore for ''VideoGame/{{Warcraft}} III'''s Death Knight hero, Paladins are immune to all disease, including the Plague of Undeath that was at the time choking the kingdom of Lordaeron. The terrified common folk became suspicious of the Paladins' seemingly perfect health while wading in so much sickness and death, and shunned and persecuted them, believing that they were actually infected. Some Paladins eventually decided ThenLetMeBeEvil and became Death Knights. Much later, in ''VideoGame/WorldOfWarcraft'', a quest line involves a Paladin of the Argent Crusade being infected by the Plague, apparently contradicting this.
121[[/folder]]
122
123[[folder:Webcomics]]
124* ''Webcomic/TheOrderOfTheStick'': The Crimson Mantle, an artifact created by the Dark One, the god of goblinkind, grants his high priest Redcloak immunity to disease (and extended youth). In the print-only prequel ''[[Recap/TheOrderOfTheStickStartOfDarkness Start of Darkness]]'', he is the only one in his party unaffected by a disease created by Lirian, a powerful druid, that blocks all spellcasting abilities. Since he retains his powers, he is able to help Xykon turn into a lich; being undead (and therefore also immune to disease) restores Xykon's spellcasting and allows them to break out of Lirian's captivity.
125[[/folder]]
126
127[[folder:Western Animation]]
128* Archie in ''WesternAnimation/ClassOfTheTitans'' is descended from Achilles. While he lacks his ancestor's invulnerability, he does exhibit this trope, extending to immunity to [[MysticalPlague supernatural plagues]] like the ones in Pandora's Box.
129* ''WesternAnimation/TheSimpsons'': In "[[Recap/TheSimpsonsS11E12TheMansionFamily The Mansion Family]]", Mr. Burns is told that he has every known disease and a few new ones.
130-->'''Burns:''' This sounds like bad news.\
131'''Doctor:''' Well, you'd think so, but all of your diseases are in perfect balance. ''[gives analogy explaining how they all counteract each other]''\
132''[...]''\
133'''Burns:''' So what you're saying is, I'm indestructible!\
134'''Doctor:''' ''[anxious]'' Oh, no, no, in fact, even a slight breeze could --\
135'''Burns:''' ''[[ComicallyMissingThePoint Indestructible...]]''
136* In ''WesternAnimation/XMenTheAnimatedSeries'', Wolverine's HealingFactor also grants him quick recovery from almost any disease. This becomes a major plot point in a two-part episode: Bishop and Cable both travel back in time to prevent a bioengineered plague from wiping out mutantkind; the former is trying to prevent the disease entirely to save billions of lives in the near future, while the latter is from ''further'' in the future where the virus' effect stabilized aspects of the mutant gene preventing worldwide extinction of both humans and mutants. Cable solves the problem by allowing Wolverine to get infected with the plague. Wolverine recovers in minutes, and his immune system now has antibodies that can be used to manufacture a vaccine for the plague, preventing the deadly epidemic while passing along the beneficial aspects required to preserve Cable's timeline.
137[[/folder]]

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