What was the prognosis of influenza during the 2013-2014 influenza season?

Updated: Apr 23, 2019
  • Author: Hien H Nguyen, MD, MS; Chief Editor: Michael Stuart Bronze, MD  more...
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In December 2013, the CDC issued a health advisory based on reports of severe respiratory illness among young and middle-aged adults, including a number who were infected with influenza A (H1N1) pdm09 (pH1N1) virus, the strain responsible for the 2009 influenza pandemic. Concerns have been raised that if the virus continues to circulate widely during the 2013-14 flu season, young and middle-aged adults will be disproportionately affected. [28, 29] According to the CDC, evidence from previous flu seasons, including from the 2009 pandemic, indicates that antiviral medications initiated as early as possible after the onset of illness reduce severe influenza outcomes.

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