Have the flu or know someone with it? Flu cases surge to highest levels in 15 years, CDC says
Have the flu or know someone with it? Flu cases surge to highest levels in 15 years, CDC says
www.usatoday.com Have the flu or know someone with it? Flu cases surge to highest levels in 15 years, CDC says
Influenza levels in the US are the highest they've been in 15 years amid winter weather and a second wave of the virus.