Two state health departments have issued new guidance on testing for the bird flu, following a CDC advisory, even as it says the risk to the public remains low.

The flu is spreading far and wide across the U.S. – and influenza A is largely to blame. Of all the flu tests reported to the ...

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

NEW YORK (AP) — The U.S. winter virus season is in full force, and by one measure is the most intense in 15 years.

It's an unusual winter for respiratory illnesses. The flu is peaking twice: once in early January and again in February.

Flu cases continue to soar across the Tennessee Valley. Lincoln County Schools is now the latest school district hit by the ...

This year’s flu season is on track to be the worst it’s been since before the Covid-19 pandemic, as respiratory illnesses surge to a second peak. There have already been at least 24 million illnesses, ...

It feels like everyone is sick right now. And while that is a slight exaggeration, the real situation isn't too sunny either.

One indicator of flu activity is the percentage of doctor’s office visits driven by flu-like symptoms. Last week, that number ...