The Centers for Disease Control and Prevention says flu season is starting to ramp up — and it’s not too late to reduce your risk with a vaccine.   But scientists have come to realize that flu vaccines are less effective for people who are overweight or obese. Considering that excess weight affects more than two-thirds of the U.S. adult population, that’s a significant shortcoming.

Researchers are studying why that’s the case, with an eye toward developing better flu vaccines.

 

Credit CDC

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