What are the requirements for the zombie in order to reach a full zombie apocalypse?

Similar, but a bit more broad, to Would a zombie apocalypse be possible if a zombie existed?

A secret lab (owned by a private company) near Chicago creates a virus strain called 'ZB01' (to be sold as a biological weapon). There is a small town nearby and, unannounced to the residence there, the lab has injected ZB01 into their water supply (to test its effects), and turning the entire town into zombies.

These are your stereotypical zombies. Get infected and you mutate into a zombie. They hunger for human flesh and are attracted mostly by high pitched or humanlike sounds.

1. What are the physical requirements of the zombies in order for them to not be immediately killed off?
2. What would the human-to-zombie timetable need to look be (Approximately)?
3. Approximately how many initial zombies (town's population) would it take to infect the country with those attributes?
4. Given the current tech level of Earth, is it feasible for zombies to take over even with their physicality?

Extra info: Different types of zombies in film

posted almost 9 years ago

wposeyjr‭

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