The latest data on respiratory illness in the United States shows that shoppers and merry-makers are spreading more than just holiday cheer: They’re also passing around germs. In many cases, it’s a ...

Norovirus levels are increasing across California, and the rise is especially notable in the San Francisco Bay Area and L.A., ...

Flu hospitalizations are at the third-highest level seen at this point in the season in 15 years, according to the CDC’s latest FluView report. The cumulative flu hospitalization rate for the week ...

It may feel like you are surrounded by sniffles and coughs, but flu season activity is still low in many parts of the U.S.

The U.S. is seeing a post-Thanksgiving spike in influenza, data released by the Centers for Disease Control and Prevention on ...