At least 171 measles cases have been confirmed in the U.S. so far this year, according to newly updated data from the Centers ...

Flu activity is increasing across the U.S. amid holiday travel and gatherings, according to the latest data the Centers for Disease Control and Prevention. The CDC estimates there have been at least 4 ...

Seasonal influenza activity remained elevated and rose in the final week of December, U.S. Centers for Disease Control and ...