But think of the impact it will have if it is as well put together as the trailer. And think of where the first got the guy. Dartmouth isn't too bad right?
There are all kinds of theories on how a Zombie apocalypse could actually happen. From parasites to neuro-toxins. The most far out there I've read about is Neurogenesis. A condition where stem cells re-grow brain tissue. Probable? No Possible? Apparently