At least 245 new cases have been recorded, CDC data shows.

The CDC estimates there have been at least 19 million cases so far this season.

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 cases are ticking down, but experts warn the U.S. isn’t out of the woods yet.

Kirk Milhoan, a pediatric cardiologist recently appointed as chair of a highly influential federal vaccine committee, ...

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