The Walking Dead - How Realistic Aside from Zombies is it? (Answer from Quora)

The Walking Dead - How Realistic Aside from Zombies is it? (Answer from Quora)
Link to source:
https://www.quora.com/Aside-from-the-existence-of-zombies-how-realistic-is-The-Walking-Dead-If-some-sickness-like-that-were-to-exist-would-the-world-be-as-helpless-as-depicted

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