Stn Necrosis


Large swathes of infected tissue lose blood supply and become fatal sources of gangrene. Decomposed bodies remain a vector of transmission

DNA cost


Severity increase




Infectivity increase

Very High

Previous symptom

Skin Lesions


Necrosis is a tier 4 symptom. It causes large swathes of infected tissue to lose blood and become deadly sources of gangrene. Bodies remain vectors of transmission. It has high infectivity rates, as well as lethality rates. The lethality of this symptom pairs well with the natural increase in infectiveness that the symptom possesses, making it an excellent symptom for mopping up the last uninfected people.

In the Black Death scenario, it has already been evolved at the start of the game.

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