ATLANTA — “Zombie apocalypse.’’ That blog posting headline is all it took for a behind-the-scenes public health doctor to set off an Internet frenzy over tired old advice about keeping water and flashlights on hand in case of a hurricane.
“You may laugh now, but when it happens you’ll be happy you read this, and hey, maybe you’ll even learn a thing or two about how to prepare for a real emergency,’’ wrote Dr. Ali Khan on the emergency preparedness blog of the federal Centers for Disease Control and Prevention.