What were the initial symptoms of the H1N1 influenza pandemic?

Updated: Aug 07, 2020
  • Author: Hien H Nguyen, MD, MS; Chief Editor: Michael Stuart Bronze, MD  more...
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In the 2009-2010 H1N1 influenza pandemic, initial symptoms included the following:

  • High fever

  • Myalgias

  • Rhinorrhea

  • Sore throat

  • Nausea and vomiting

  • Diarrhea

For more information, see the article H1N1 Influenza (Swine Flu)

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