This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated.

ST.  LOUIS – A recent report from the Centers for Disease Control and Prevention pointed to only a 29% effectiveness of last season`s flu vaccine overall; the second lowest since 2014. According to the CDC, the effectiveness of the flu vaccine varies from season to season.

For more information, Visit