Zachary Smith wrote:
no! No! NO!! NO Viruses!!!!
OOoooooOOoo! Be patient! I have it ALL figured out!
Pathogens do not, can not and will NEVER effect dead tissue. Pure and simple.
Since it's not real it doesn't even matter. The comic has never explained it and the CDC wasn't even able to identify the pathogen before it fell apart on the show.
I always felt nanites were the only half-way plausible explanation for the zombie apocalypse but at the end of the day it's not exactly a genre that cries for veracity.