Silver Book Fact
Every year 5 to 20% of US population gets the flu
Every year around 5% to 20% of the U.S. population gets influenza.
Seasonal Influenza. www.cdc.gov/flu/about/qa/disease.htm. Published July 2011
Every year around 5% to 20% of the U.S. population gets influenza.
Seasonal Influenza. www.cdc.gov/flu/about/qa/disease.htm. Published July 2011