"It gets up and kills. The people it kills get up and kill!"
— Dr. Foster, Dawn of the Dead (1978)
Created by The Virus or The Assimilator, plague-bearing zombies are guaranteed to turn others into zombies due to their highly communicable virus or nanobots or whatever. Almost always merged with Flesh-Eating Zombie, as for some reason, once a human has been partially eaten and zombified, the zombies lose interest and stop consuming them. Produces Zombie Infectees, which are often Technically Living Zombies.
Parasite Zombie is a Sub-Trope.
Examples:
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Advertising
- A Toshiba commercial (part of the short-lived "Ramifications of Yes") has a zombie plague started by a carton of milk that was spoiled as a result of power outage caused by a power-station worker dropping a non-impact-proof laptop and then plugging it into an electric panel in a Toshiba exec's Indulgent Fantasy Segue about what could happen if they didn't include the frickin' Impact Smart Hard Drive in their laptops.
Anime and Manga
- Arachnid: The Army Ant queen-themed main villainess uses her bodily fluids to turn people into zombified servants who wander around mindlessly raping people to spread the effect. Her death seems to cause the infected to become aimless, but they somehow still manage to take over Japan over the course of the ending.
- Fort of Apocalypse's zombies combined with Flesh-Eating Zombie. The zombies also appear to be controlled by some kind of "hive leader," but it has yet to be explained.
- Highschool of the Dead: Flesh-Eating Zombie.
- Monster Musume: The virus that produces zombies resides in their teeth, so removing the teeth to use it to infect others separately from the zombie owner works. Also, the zombie virus itself is weak enough that it only works when the bitten target either has severely compromised immune system or is dying or is already dead. Healthy people's immune system would take care of the virus otherwise. Finally, they're generally Friendly Zombies due to the virus only confer physiological changes and not mental ones, thus those who become zombies just act like who they are before they're turned, provided that the brain is kept from rotting. Even if their brain rots, it just turns the zombies into relaxed and easygoing idiots, not ravenous monsters.
- School-Live!: It's revealed that the Flesh Eating Zombies are due to a bacterium. This bacterium is airborne and affects some but not others (thus why people can turn into zombies despite not being bitten).
Comic Books
- Crossed: The zombies get a cross-shaped cluster of boils on their faces, but otherwise, look like normal people. They are sociopathic, sadomasochistic, and violent in the extreme.
- Ultimate Vision: People exposed to the Gah Lak Tus virus become demonic creatures that do his will.
Fan Works
- Verdigris: Unmentionables are caused by the Verdigris Plague.
Film — Live-Action
- Army of the Dead: The zombie plague that decimates Las Vegas started from an Alpha zombie that escaped containment in Area 51.
- Black Sheep (2007): The Virus which makes the sheep man-eating killers started with a mutated fetus as patient zero. From the little monster-critter, through bites the mutagen spread through bites among the sheep, and also crossed to humans (creating were-sheep). The most notable symptom in the sheep is ravenous hunger for human flesh.
- The Crazies (1973): The Trixie virus is an airborne/waterborne pathogen that reduces the infected person's sanity, turning them into crazed killers or catatonics.
- Hell of the Living Dead: A spill at a biological research facility releases a zombification virus which was engineered by the First World nations so that Third World people would get infected and eat each other.
- I Drink Your Blood: Rabid hippies terrorize the countryside.
- Living Dead Series: Played with. A zombie's saliva and blood carry a deadly pathogen, allowing them to infect the living through scratches and bites. However, some of the Living Dead movies imply that the zombie phenomenon has a supernatural origin as even people who never received a zombie-inflicted injury in the first place still turn into zombies after dying.
- Maggie: It's never specified what the source of the "Necroambulist virus" is, but it is portrayed as a communicable virus. The process is more gradual than most depictions though: it's stated it takes six to eight weeks for the infected to become cannibalistic.
- Planet Terror: The particularly gross and highly infectious "Sicko" outbreak is caused by the release of a Synthetic Plague called DC-2.
- Rabid: The zombifying disease is initially spread sexually.
- [REC] and its U.S. remake Quarantine (2008) appear to feature this, but they may actually be Parasite Zombies due to implicit Demonic Possession.
- The Sadness: The Alvin Virus is a pathogen that affects the parts of the brain that regulate sex and aggression. An outbreak in Taipei quickly results in most if not all of Taiwan being overrun by deranged, bloodthirsty maniacs that commit unspeakable acts for the sake of it. Against their will.
- Train to Busan: A biological agent manufactured by Biotech is responsible for the Zombie Apocalypse.
- Trench 11: The infection, manifesting as worm colonies growing throughout the infected's bodies, spreads through bodily fluids, blood and saliva.
- Zombies! Zombies! Zombies!: The zombies are a cross between an Artificial Zombie and a plague zombie: created when an experimental cure for cancer is accidentally combined with an experimental cure for crack addiction. The resultant drug is stolen by the janitor, and then taken by a hooker he frequents who is looking for a high. The drug kills the body and then reanimates it, but the condition can be spread by biting.
Literature
- In Along the Winding Road, the zombie plague seems to be transferred by blood contact, which is a risk when a zombie with bleeding gums bites you. There's also the "immunity jerky", though it wasn't precisely found by rigorous scientific testing.
- The creatures in Tim Lebbon's Berserk (has nothing to do with a certain manga) are zombies created by a bioweapon cooked up by the British government. The infected become Perpetual Motion Monsters, and can only be killed by headshot (and that's only if you use a Silver Bullet). That said, they're very smart, and telepathic to boot.
- Death Troopers introduced zombies to the Star Wars Legends continuity. These zombies are created by a Sith virus, which, to make things worse, is airborne.
- A very different version in Nancy Kress' novel Dogs; the plague only affects dogs, although it turns them aggressive, and they'll attack anyone or anything.
- Domina's "screamers" are... complicated. They seem to be mindless, and any of their body fluids will turn others into screamers, but only while the screamer is alive. On that note, they are not undead, and are quite fast and athletic. They also scream constantly (hence the name). Oh, and they also have superpowers.
- The Forest of Hands and Teeth is like this, with a little of flesh-eating in there. The zombies (called Unconsecrated) eat people, and once you are infected, you only have a few hours or maybe even minutes before you turn into an Unconsecrated. They can only be truly killed if you cut their head off.
- In The Maze Runner, those who contract the Flare eventually turn into insane, animalistic virus carriers called Cranks that don't have many distinguishing traits from regular old zombies.
- The zombies in Newsflesh are the result of an airborne virus cure for the common cold meeting a phage meant to cure cancer, which actually did work, as no one on Earth has either anymore. Unfortunately, now everyone also has the virus in them. They have a form of collective intelligence, the more there are in a group, the smarter the individuals become. A group of twenty or more is smart enough to exploit terrain and set traps and ambushes while one by itself is easy to deal with, especially the older it is. Oddly enough, they're not flesh-eating because they're compelled to spread the active virus, and killing people won't do that.
- The zombies in "Melvin Mc Gee Zombie Hunter" are extremely sick and rotting, not exactly dead. Melvin's teacher eats some genetically-contaminated chicken. He spreads the zombie/grabble virus to everyone else and they treat him like their king. The disease is spread by bites or their infectious saliva. They can also smell blood from a mile away. Dr. Larnt creates a cure to this by creating a retrovirus that spreads throughout the air.
- In Old Yeller, "hydrophobia" (rabies) is effectively this. While everyone knows it's a disease, the exact mechanism for how it works and spreads is not clear. It causes herbivores to become weak and shambling, while carnivores become blindly aggressive; a bite will turn someone into a Zombie Infectee, and once that happens there is no hope and no cure. Travis and family have to Mercy Kill the infected and burn their bodies, hoping to keep the disease from spreading.
- The stone men in A Song of Ice and Fire are those afflicted with greyscale in their adulthood (and as an illness, they're not really dead). It's a very slow process that ultimately kills the victim; toward the end, they're described as slow, clumsy, and completely mad. And unlike the other types that appear in the series, this one is highly contagious.
- This Mortal Coil (2018): Unusually Inverted — the Hydra virus causes healthy people to succumb to the Wrath when they encounter the infected, killing and cannibalising them to gain temporary immunity. Some unlucky folks get stuck in the Wrath permanently.
- Max Brooks uses these zombies in The Zombie Survival Guide, World War Z, and The Extinction Parade. According to the "rules" given by The Zombie Survival Guide, a fictional virus called Solanum turns people into zombies, with an incubation period of roughly 24 hours, give or take, between initial infection and reanimation.
- The Zombies vs. Unicorns stories "Inoculata", "Bouganvillea", and "Prom Night" all deal with the aftermath of a zombie plague (all are also flesh-eating).
Live-Action TV
- In Apocalypse, The Everyman Steven is led to believe that the world (or, at least, England) is in the middle of a Zombie Apocalypse, caused by a microorganism that has arrived in a meteorite. He hears a fake news broadcast warning people to avoid coming into contact with anyone with a red bracelet, which signifies that they're infected.
- In the zombie episode of Community, the zombies are caused by the biohazard material that Dean Pelton bought from an army surplus store, thinking it was taco meat, and served at the Halloween party. The virus is passed on through biting, and treating the main symptom, a ridiculously high fever, by cranking up the air conditioning reverses the zombification long enough for the Army to show up and cure everyone. And not only is this a comedy, it's Canon.
- Doctor Who:
- The "gas-mask zombies" from "The Empty Child"/"The Doctor Dances" initially transmitted their plague by touch, until the nanogenes responsible for their condition grew airborne. Since the zombies had identical injuries (due to the nanogenes' faulty understanding of human biology), Dr. Constantine describes their condition as "physical injuries as plague".
- In "The Waters of Mars", the Flood is a waterborne sentient virus, and it makes its infected hosts leak infectious water like a sliced major vein — and the infected can fire pressurized hose-like blasts if they wish! A single drop of water is enough to infect and turn someone — just one drop...
- Game of Thrones: Stone men are technically living zombies inflicted with greyscale who attack people and spread their disease.
- Search: Corporal Oh's body and his attacker's blood are found to contain a virus initially mistaken for rabies.
- In one of the worlds visited in Sliders, a fat-eating bacterium designed as a weight-loss product had the unintended side-effect of making users into mindless flesh-eating monsters. There was an "antidote" that in large quantities could keep the infected lucid, and the bacterium's creator was using. The Sliders help him create a cure using blood from one of The Immune survivors, just in time to help Quinn.
- Supernatural has the Croatoan virus, a demonic virus that turned humans into 28 Days Later-type zombies and was specially created by Pestilence to wipe out most of humanity as part of Lucifer's apocalypse.
- Zig-zagged on The Walking Dead and its spinoffs. Unlike in the comic book (which follows the Romero infection rules: everybody who dies comes back as a zombie unless they died of severe head trauma. The exact cause is never given, though several explanations — a radioactive space probe, Hell being full — are offered by various characters), and Season 1 finale establishes that a virus caused the Zombie Apocalypse. However, it didn't behave like most zombie viruses — it is (presumably) airborne and/or waterborne, and has infected everybody on Earth, kicking in only after they die. This allows the show to still use the Romero trope of everybody coming back when they die, not just those who are bitten, while still using a zombie virus. A bite by a zombie actually amounts to a deadly venom that will always kill the victim after hours or minutes of weakening and fever.
Music
- TOOBOE: The music video for Heart features this as a setting, with the main character being a recently turned zombie that proceeds to pass the virus to several police officers and, eventually, his unfaithful wife.
- Voltaire: The end of Zombie Prostitute has the narrator catching something from the undead hooker he slept with and becoming a zombie gigolo.
Tabletop Games
- d20 Modern: Viral Deathspawn from d20 Apocalypse, which is not surprising since this sourcebook deals with life After the End.
- Dungeons & Dragons: Common zombies are magically reanimated corpses and don't transmit their zombification. The concept of the infectious undead is spread across a few other beings:
- The game's ghouls owe much more to Night of the Living Dead (1968)'s ghouls than to the ghūl of folklore. Like them, they're ravenously predatory undead who carry a disease, called "ghoul fever", that turns anyone it infects into another ghoul, unless their remains are consecrated. "Obviously, this is also avoided if the victim is devoured by the ghouls."
- Living dead are visually indistinguishable from zombies, but they transfer the dormant form of the Living Death plague with every attack, which upon death reanimates into another living dead. The plague needs to be cured by remove disease spell; mere resurrection will not suffice.
- Infinite Worlds: The Gotha parallels are 19 alternate Earths that have been destroyed by the exact same zombie virus. These Gotha zombies retain some of their intelligence and are as willing to eat each other as well as normal humans.
- Pathfinder has an actual "Plague Zombie" that can be created with the Animate Dead spell, as long as the Contagion spell is cast as part of the animation process. They carry a disease known as "zombie rot" and can inflict it through either their attacks or by exploding when they die. Creatures who die while infected with zombie rot will rise as plague zombies themselves soon after.
- Red Markets: "The Blight" is an unnatural disease that turns the infected into rage zombies called Vectors. When those zombies die with an intact brain, the Blight can reactivate the corpse, creating undead zombies called Casualties.
- Stargrave has Hastian's Plague, which plays a major role in the zombie campaign in Quarantine 37 and has a staggering fatality rate. Rules in the campaign allow your crew members to be infected if they're damaged by zombies, which can result in them turning during later scenarios (although your captain and first mate have Plot Armour). A few infectees do survive the disease; these are known as "the Ravaged" because they inevitably sustain significant neurological damage, and can be recruited into your crew — they're typically less skilled than similar-priced troops, but have extreme pain resistance.
- Warhammer 40,000, with elements of Voodoo Zombie; the zombies themselves aren't created by magic, but the virus itself is (they're the work of Nurgle, God of Decay).
- Yu-Gi-Oh!: The "Plaguespreader Zombie" monster card. Although its function isn't to spread a zombie virus, but rather "tune" with other monsters to summon powerful Synchro monsters, including zombies.
Video Games
- Subverted throughout the Dark Souls series; numerous people in the backstory thought that the Undead Curse was spread like a disease and tried to quarantine its victims, but they were doomed to failure because that's not how the curse is spread. It seems more likely that all people are born with the curse but are asymptomatic until the First Flame starts to fade.
- Dead Island: The zombies are a result of an abnormal version of the Kuru prion illness.
- Dead Space: Although the Necromorphs as a whole are Parasite Zombies, their aptly named Infector strain exists solely to spread the viral infection to any dead body it can get its proboscis on... and in one memorable instance even to a still-living human, who dies and mutates instantly from the wounds inflicted in the process.
- Dragon Age: Ghouls are people and animals who have been corrupted by the Blight and haven't died from it yet. They retain their sanity for a time, but eventually become corpse-like in case of people and monstrous in case of animals. These ghouls attack anything in sight other than Darkspawn. Darkspawn often use them as craftsmen and food.
- Season 3 of Deep Rock Galactic introduced Lithophage CHX-4, commonly called the Rockpox. While it's primary infection seems to affect rock, it has the ability to infect the local wildlife on Hoxxes IV to facilitate spread, turning several species into mindless disease vectors. They attempt to infect the player character dwarves as well, though all they can do to them is temporarily paralyze them. The bug zombies made by the wildlife have elements of the Plague Zombie as well - the surest way to kill the infection (which kills the infected bug as well) is to shoot the infection boils on the victim. Luckily, the process seems to take time - if a non-infected native of Hoxxes interacts with a Rockpox-infected variant, they don't transform into a zombie during a mission.
- Dwarf Fortress: Husks from are horrifying undead abominations covered in dust that transforms anything touched by it into another husk. Hands-down, these are the most horrifying monster in DF, even trumping The Legions of Hell for sheer terror.
- Dying Light: Zombies are victims of a mutated strand of rabies called the Harran Virus. At first the victims start off as a Technically Living Zombie (which are quick and hard to hit but easy to kill) before degenerating into traditional undead zombies (which are slow but can take a beating). There are a few notable mutations like bigger Goon zombies or the acid spitting Toad zombies, but the really troublesome ones are the Volatiles, incredibly dangerous fast zombies that come out at night and can only be repelled with UV radiation. This disease is later revealed to be a Synthetic Plague, with the GRE attempting to cover up its origins and the Harran Ministry of Defense willing to help them by destroying the infected districts.
- The Elder Scrolls III: Morrowind: Victims of the Corprus Disease are this trope crossed with being Technically Living Zombies. Corprus is a divine disease created by Dagoth Ur using power channeled from the Heart of Lorkhan, the still-beating heart of the "dead" creator god. It is an incurable disease which causes massively accelerated cell growth, leading to increases in strength and endurance, as well as making sufferers The Ageless and granting them Ideal Illness Immunity. However, it also destroys their minds until they are little better than feral monsters. Unlike zombies in most other media, Corprus sufferers will feed on each other when no other food is available. The aforementioned cell growth gives them a form of Healing Factor, however, causing the eaten-off parts to grow back stronger. In some cases, they even defy physics, surviving by eating their own flesh. They can also tear off fist-sized cysts and throw them as grenades.
- Elite Beat Agents: In one mission, the agents must support a Duke Nukem rip-off in his quest to purge the world of purple, yellow-dotted, giggling zombies that happen to spread their disease through kisses and can be returned to normal by letting them ingest a very bad-tasting peanut.
- Infectonator!: Zombies work by spreading a virus among people: Those who are infected become zombies and start spreading their plague around.
- The "zombies" in Left 4 Dead and Left 4 Dead 2 aren't actually dead (it's more akin to a strand of rabies) and don't actually eat the uninfected; they just want to rip their bodies to shreds and stomp on the remains. Also, the method of infection changes wildly due to rapid mutation, but more than a few times it demonstrates to also be airborne, which results in problems when the rescuers are not immune and thus get infected. The "immune" survivors are technically asymptomatic carriers.
- Metal Slug 3 has the zombies encountered in the second mission, caused by a virus spread around by the area's boss. Their Zombie Puke Attack could zombify injured civilians (turning them into zombie enemies) and even the player too, although an infected player still retains sentience, gains a devastating blood vomit attack and can be restored to human if they touch a medkit. The zombie virus once again appears in Metal Slug 4, this time the virus being taken and used by the Amadeus Syndicate to infect an amusement park.
- [PROTOTYPE] and [PROTOTYPE 2] have two viruses (one an evolved form of the other). The virus first causes blood vomiting, then leads to boils and pustules that make the infected look like mutants, before often making their arms and fingers become claws. All forms are violent, lash out at everything, and seem to operate on a Hive Mind. Alex Mercer, Elizabeth Greene, and James Heller (along with the evolved) aside, everyone hit by the virus becomes this with the viral creatures (Hunters, Brawlers, etc.) created other ways. Technically, the first three are also infected entities, but share none of the zombie-like traits and are more like superhumans.
- Resident Evil: Most of the zombies are caused by the Umbrella Corporation's T-virus and its various derivatives.
- Saints Row: The Third: A small zombie apocalypse is unleashed thanks to a chemical accidentally released by The Boss after blowing up a military carrier. If you take the option to keep some of the chemical for yourself, you can even create your own zombie homies to call as backup. They seem to act like regular zombies, though they somehow retain the ability to drive.
- Star Wars: The Old Republic: While victims of the rakghoul plague traditionally retain their personality up until the moment of transformation, the Rakghoul Resurgence weekly event introduces a new "infected" variant that look and behave like classic zombies.
- Super Energy Apocolypse
features plague-bearing eyeball monsters that are apparently called "Zombies."
- Survivor: The Living Dead: When you get bitten by the living dead, you get infected. After that happens, all you can do to avoid turning before the timer runs out is stand still as much as possible and not get bitten again.
- In TRON 2.0 and TRON: Evolution, virus-infected Programs behave like this. They become twisted, mindless things whose only purpose and directive is to infect and destroy as many healthy Programs as possible. In both cases, the plaguemaster/Patient Zero was merely an Unwitting Pawn of much nastier conspirators using the threat of a cyberspace-wide Zombie Apocalypse to hide something much worse.
- Uncharted: Drake's Fortune: Near the end of the game, Nathan runs into the Descendants, ferocious ghoul-like monsters that are the remains of Spanish conquistadores, and later soldiers and scientists from Nazi Germany, who fell victim to a contagion contained within the treasure of El Dorado.
- Vampire: The Masquerade - Bloodlines: The Brotherhood of the Ninth Circle is a vampire cult dedicated to spreading bloodborne pathogens for the apocalypse. Their human followers are visibly diseased and act no different than the mindless, shambling zombies encountered in other parts of the game. Unlike those zombies, the player character can drink blood from the plague victims, though they'll throw it right back up because of how unhealthy it is.
- Warframe: The Infested are victims of a horrific virus that twists the bodies of its hosts into terrifying monstrosities. The individual organisms seem to be little more than mindless beasts, but observations suggest that there is some kind of Hive Mind directing them. A few notable individuals have maintained their identities and personalities, but the virus has still managed to influence their thoughts. The Infestation's origins are murky, but it's implied that the Orokin created the plague as a bioweapon before deciding that it was too difficult to control; Alad V's experiments in the present have created a new strain capable of infecting machinery.
Webcomics
- Slobs from Awful Hospital are creatures infected with a weaponized, interdimensional cancer that causes radical mutations (to the point that some of them mutate throughout the battles with them). This illness is said to be as transmissible as a cold, with the color purple and trombone music as possible infection vectors and infects the concept-core as well as the biology.
- In Genocide Man, one of the bioengineered plagues that devastated the world in the 21st century filled China with zombies. Jacob later reveals that they're a failed Super-Soldier project, and while they have no memories of their past lives, they are fairly intelligent, with their own language and agriculture; they even breed true
.
- Last Blood plays along with this trope. The world has experienced a Zombie Apocalypse and the majority of zombies are near mindless, hungry creatures, while the first zombie was a vampire who starved for too long. The first zombie has retained all of his intelligence and has complete control over the zombies that descended from him.
- The Other Grey Meat has zombification via infection. Zombies become more intelligent based on the number of victims they have, as well as the victims of their victims (and so on). Patient Zero has turned back into a normal person because of this, and he's smart enough to have come up with a substance that sates a zombie's hunger without making them evolve further.
- The "zombgeeks" in the Sluggy Freelance story "28 Geeks Later" are a weird parodic variant — genetically engineered earwigs meant to turn people into geeks to make them more technically intelligent at the expense of social skills get loose and turn their victims into animalistic super-geniuses with no self-control or regard for human life. It's infectious since the earwigs are carried along with their victims, looking for new ones.
- Stand Still, Stay Silent: Trolls (former humans), beasts (former animals) and giants are all technically this, being victims of the Rash that didn't die and disease vectors for it. In practice, their bodies are so mutated that they qualify for various other monster tropes.
- Stuck In Space: The plague is an alien microorganism with similarities to both bacteria and viruses which is carried by bodily fluids, and aerosols thereof. It has an incubation period of several months, which can be extended with strong antibiotics, during which the host shows no symptoms but is highly contagious, until it breaches the brain and the victim bleeds from the ears and eyes before falling into a coma as the plague replaces their neurons with its own cells. The resulting zombie retains most of the host's memories and personality, but lacks their impulse control and gains a drive to spread the plague. Additionally, the plague organism repairs the host's injuries by filling it in with their own cells, often with hideous mutations such as spikes or Extra Eyes. Even headshots only temporarily incapacitate them and take some memories, complete incineration is needed to kill them.
- Surviving Romance is centered around those. An unknown virus turns everyone infected into those. Being bitten or somehow ingesting their fluids will also turn you into one.
- The Ward: Zombification occurs due to a supernatural disease.
- Zombie Ranch: The formerly human herds possess a bite that is infectious, incurable, and fatal. Their blood, on the other hand, is not only harmless but miraculously beneficial when processed correctly. It can even cure cancer.
Web Original
- Hamster's Paradise: The harmsters are plagued by a disease called Severe Infectious Harmster Transmissible Tumor (or SIHTT for short), a form of transmissible cancer spread by either biting or by eating the flesh of the infected (which is fairly common among harmsters). After the Second Harmster World War, a strain termed the Neuro-Ocular strain (NO-SIHTT) emerges, which infects the victim's brain to make them disoriented and aggressive and allow it to propagate even further. This eventually results in a Zombie Apocalypse that wipes out the weakened harmster civilizations, but which ironically also eradicates the disease when its own success strips the world bare of viable hosts.
Western Animation
- Ben 10: Omniverse: Zombozo creates a virus that the Plumbers decide to call the "Zombie Clown Virus", because it turns its victims into zombie clowns. In addition to becoming undead, the infected also get clown makeup, clown clothes and shoes, and a permanent grin etched on their faces. This is Zombozo's method of creating fear to feed on that specifically targets Ben's coulrophobia.
- Primal (2019): The Plague of Madness spreads from host to host via biting; something which the hosts the Plague has turned Ax-Crazy are particularly inclined toward even if they're herbivores. Note that while the plague drives distinctly herbivorous hosts to likely attempt to bite the flesh of their victims, the infected Argentinosaurus didn't eat its fellow sauropods when they were dead, and its massacre implies the infected will settle for brutally killing their victims through any means so long as they're dead.
