Amid a severe flu season, the CDC ends its universal flu shot recommendation for kids. Experts explain why this is dangerous ...

The Influenza A H3N2 virus subclade K represents a change in the basic structure of the influenza virus.

Subclade K (previously known as J.2.4.1) is gaining attention because it appears to be spreading much earlier in the flu ...

Preliminary estimates indicate approximately 11 million illnesses, 120,000 hospitalizations, and 5,000 flu-related deaths across the United States so far this season. These numbers represent a ...

Flu season in the U.S. is particularly bad this year, and a new branch of the flu family tree may be to blame.

Patterns repeat each year. Early coordination allows healthcare providers to manage demand in a way that protects ...

Flu cases and hospitalizations are surging, already breaking last season's records. Here's where activity is highest, what ...

Flu is rising rapidly in the U.S, with cases reaching "very high" levels in Missouri, according to the Centers for Disease ...

Hospitals across New Hampshire are seeing higher patient numbers, as the state health department and CDC report high rates of ...

Flu activity is declining in Pennsylvania, but hospitals and pharmacies remain busy with patients experiencing cold and flu ...

Dear Doctors: My wife started getting sick a few days before Halloween. We were worried that it was going to turn into a bad respiratory illness, but it stayed in her nose and throat. That's a common ...

Starting today, masking is mandated for staff working in all Penn Medicine Lancaster General Health facilities who interact ...