More than 24 million people have had seasonal flu this season, according to estimates from the Centers for Disease Control ...

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

Flu infections are at or near their highest levels in at least 15 years and are still rising, the Centers for Disease Control and Prevention says.

Levels of influenza nationwide are now at the highest they have been since the peak of the 2009 swine flu pandemic, according ...

Outpatient health care visits for flu-like illnesses are at their highest levels in 15 years, according to data updated ...

Colorado is experiencing "very high" flu activity, according to the Centers for Disease Control and Prevention's (CDC) weekly ...

The Centers for Disease Control and Prevention resumed publishing its weekly scientific report Thursday after an unprecedented pause, but information about the bird flu virus that was supposed to ...

Get Instant Summarized Text (Gist) The CDC briefly posted and then removed data indicating potential transmission of the H5N1 bird flu virus from cats to humans. This data, not included in the CDC ...

While flu viruses are detected year-round in the U.S., the virus activity usually peaks between December and February. Flu ...

Of course, other viral infections can be mistaken for flu. But COVID-19 appears to be on the decline, according to hospital data and to CDC modeling projections. Available data also suggests ...