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Out of control, microscopic machine with a built in kill switch.

Plague Type:


Plague Cost:

Complete Prion (Normal or Brutal) or $0.99 USD


May 23, 2012, Version 1.0

The Nano-Virus is a microscopic robot with the ability to replicate itself. It was accidentally released from a laboratory, and now humans are trying to shut it down by broadcasting a "kill-code" that will deactivate the virus. Like all other normal plague types, one must kill all of humanity before the cure, or in this case code, can be transmitted. This is highly considered to be the most difficult plague in the game. 

To compensate for the fact that the kill-code broadcast begins immediately after a starting country is chosen, the Nano-Virus has higher than average starting infectivity, better resistance to all climates (except humid ones, where it has a larger penalty instead), cheaper symptom costs, and symptoms that slow development of the cure which can be evolved for free.


The most effective strategy is one that relies on widespread transmission in a short amount of time, which makes the Nano-Virus ideal for speed run strategies. Please see Nano-Virus Strategy Guides for strategies.

Standard Plague Types


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