6/20/2013

A CDC study in the journal PLoS One showed that influenza vaccination prevented 13 million illnesses and more than 110,000 flu-related hospitalizations between 2005 and 2011. Flu shots had the biggest impact during the 2010-2011 season, preventing 5 million cases, 2.1 million doctor's visits and 40,400 hospitalizations, researchers said.

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