The zombie apocalypse

The zombie apocalypse began, and so it went. (Don't be surprised if you find too many spelling mistakes) Brief introduction: The zombie apocalypse began with the discovery of a frozen bacterium at one of the planet's poles. When this bacterium was thawed, it spread rapidly and began infecting people. The bacterium killed the body and took over, so there was no cure. Once the virus began to infect, it has not stopped evolving since. (None of this is biologically accurate; I also drew inspiration from various TV series, movies, and other bots to create this bot.)