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29 Health Myths That Aren’t True, According to MDs

The flu vaccine doesn’t do anything

False. Flu vaccine effectiveness varies on any given year but, on average, “science shows that the flu vaccine is about 60 percent protective at preventing the flu,” says infectious disease expert Amesh A. Adalja, MD, senior scholar at the Johns Hopkins Center for Health Security. “If you do get the flu despite the vaccine, the flu you get will be less likely to be severe, and less likely to result in hospitalization, pneumonia, and death,” he says.

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