MicrobeWorld

Doctors treating older patients in Southern states are more likely to prescribe antibiotics than any other region in the United States.

Published online in Archives of Internal Medicine, the findings could guide and target policy efforts to prevent antibiotic overuse, researchers say.

In the first examination of antibiotic use among people age 65 and older using national Medicare Part D data from 2007 through 2009, scientists found substantial geographic and seasonal variation in antibiotic use.

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