Breaking: Flu already widespread in 36 states, CDC reports

Having trouble viewing this email? | View it in your browser   Twenty-one of those states have a high number of cases. Cold weather and a potentially less effective flu vaccine could be contributing to the early spike, the Centers for Disease Control and Prevention said. Normally, peak flu activity in the U.S. occurs around February. FOR MORE ON THIS STORY, GO TO:   USATODAY.COM   Help | Advertise | Home Delivery | Privacy Policy - Your California Privacy Rights     © 2017 USA TODAY, a division of Gannett Satellite Information Network, LLC. 7950 Jones Branch Drive, McLean, VA 22108