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Iceland
CountriesTypically has a cold climate.
ICure
EventsiCure is a device created by Apple$oft. It is designed so that people can help cure the player’s disease. Its screen, however, is water-sensitive, allowing players to counter it by evolving the Sweating symptom. In Necroa Virus, however, Hyper Salivation counters it. If not countered, a "success" popup will appear, while the cure percentage will significantly increase. In Shadow Plague, Steroidal Boost counters it.
Immaturity
SymptomsHormone production altered which causes reduction in maturity. Lower levels of hygiene increase infection. (Neurax Worm) Reduction in hormone levels causes immature and antisocial behaviour, reducing cure research. Lower levels of hygiene cause infection. (Frozen Virus)
Immune Support
SymptomsSupports the immune system to make it harder for other diseases to kill people that you infect.
Immune Suppression
SymptomsPathogens attach to lymphocytes, suppressing immune system and allowing significantly greater freedom of mutation. Can be lethal
In it together
AchievementsInitiative combo: In it together
Independence Day
AchievementsConvince the world with an otherworldly threat
India
CountriesA rural country. Typically has a hot, humid climate.
Indonesia
CountriesA rural country. Typically has a hot, humid climate.
Indulgence
SymptomsLeptin blockers causes hosts to lose self-control and do all sorts of things they wouldn't normally do. Increases infectivity
Infecting Tabletops
AchievementsDiscover a very familiar board game combo
Inflammation
SymptomsInflammation obstructs bodily processes. Swelling can obstruct breathing and be fatal
Initiation
MechanicsThe track is only used in the mobile game, Plague Inc., as its title menu.
Insane Bolt
AchievementsSprint to victory and set a world record by winning the game with Bacteria in under 365 days
Insanity
SymptomsNeuropathic action of the pathogen in the frontal cortex causes severe emotional and behavioural abnormalities. Significantly harder to cure
Insect
TransmissionsInsect is a basic transmission found in most plagues, in which the pathogen can spread more easily after its bites, which increases infection especially in areas with a generally hot climate, as well as increasing the disease's mutation.
Insect (Mad Cow Disease)
TransmissionsPathogen spreads through (accidental) consumption of insects. Increases infectivity and chance of mutation. Especially effective in arid climates.
Insect 1
TransmissionsInsects susceptible to infection. Carrier insects increase infectivity, especially in hot climates and chance of mutation
Insect 2
TransmissionsIncreases rate of transfer between insects. Increase infectivity, especially in hot climates and chance of mutation
Insect 2 (Neurax Worm)
TransmissionsAttaching to a greater range of insects allows large increase in infectivity, especially in hot climates
Insomnia
SymptomsInability to sleep makes people irritable and less productive
Inter-genus dissemination 1
TransmissionsVirus more effective at spreading between different types of ape - increasing chance of ape to ape transmission and mutation
Inter-genus dissemination 2
TransmissionsVirus highly effective at spreading between different types of ape - increasing the chance of ape to ape transmission and mutation
Internal Haemorrhaging
SymptomsArterial membranes break down, causing rapid internal bleeding and death