Mission: To save lives and reduce hospitalizations by protecting children, families, and communities against influenza.

When is Flu Season?

Influenza is a year-round, global virus. Because the flu season typically coincides with the winter months, the Northern hemisphere's flu season is often from October-April and the Southern hemisphere's flu season covers the other months of the year.

Flu Season Facts:

  • In the United States, flu mostly spreads during the fall and winter months 
  • Flu activity usually peaks between December and February, although significant activity can last as late as May 
  • Other respiratory viruses also circulate during flu season and can cause symptoms similar to the flu

Source: CDC

 

Learn more:

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