The End of the World: Quietly Infecting All Mankind

Human beings in this world are just ants trying to survive, and Zhou Zhao was the ant that was crushed to death. I have lived in the apocalypse for five years, but I still haven't escaped the zombies. I originally thought that my life would end quietly, but when I opened my eyes, I turned into a hidden zombie. The strange system mission is to quietly infect all mankind? ! How to do this? This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.