Can you start a zombie apocalypse?

Trigger is unknown: It is yet unknown what actually triggers the start of a zombie apocalypse. It is written that a widespread, global rise of "zombies hostile to human life engages in a general assault on civilization. Victims of zombies may become zombies themselves. This causes the outbreak to become an exponentially growing crisis" that overwhelms the abilities of the police, the military, and the CDC to respond.

Fiction: A zombie apocalypse is fictional. However, wade davis, an ethnobotanist who studied haitian culture, proposed that a zombie- like state is pharmacologically induced during voodoo by mixing coup de poudre (which contains a neurotoxin from pufferfish) and a dissassociative drug like datura. The powders are usually introduced into the blood stream through a wound.