Flea 1

DNA Cost

N/A (evolved at start)


Common flea susceptible to infection. Increase infectivity, especially in urban regions and mutation

Next Transmission

Flea 2

Flea 1 is a tier 1 transmission special to the Black Death scenario. It comes evolved at the start of the scenario.


  • It is the basis of the Rodent series of transmissions, as fleas are what make rodents disease transmitters.

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