Influenza levels in the US are the highest they've been in 15 years amid winter weather and a second wave of the virus.

During the first years of the COVID pandemic, elevated precautions mostly suppressed the perennial flu outbreaks that ...

If it seems as if everyone is sick, you may be right as the Centers for Disease Control and Prevention said that the flu is ...

The U.S. winter virus season is in full force, and by one measure is the most intense in 15 years. One indicator of flu ...