The ultimate film appeal is that the zombie outbreak in almost any form is a very good metaphor for any sort of short term societal breakdown.

FORBES: Why Zombies Are Killing Me

For more about what to do in the event of a zombie outbreak, the CDC has basic preparedness on their website here, and has a comic book on zombie preparedness here.

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Do not mistake this for a zombie outbreak.

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The zombie itself is not scary, the outbreak and end of humanity that results is.

FORBES: Why Zombies Are Killing Me