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

Flu-related pediatric deaths have doubled since last week, according to the CDC. Here's what to know this week, including ...

The latest data from the Centers for Disease Control and Prevention (CDC) shows that more than 99.99% of those fully vaccinated against COVID-19 in the U.S. have not had a breakthrough case resulting ...

Flu activity continues to remain elevated across the U.S. with at least 18 million cases, according to newly released data ...

At least 180,000 hospitalizations have been recorded, CDC data shows.

Waiting rooms are filling up across the United States as a fast-moving flu wave strains clinics and hospitals, driven largely ...

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

Infections blamed on a fungus labeled as a "superbug" by U.S. health officials have grown by 33% in Nevada over the past year ...