The Centers for Disease Control and Prevention lists Illinois in the high category for flu cases, and across the Chicago area ...

The weekly number of lab-confirmed influenza cases on Long Island was the highest in at least the past two seasons, with ...

"At this point, the flu activity is higher and of more potential concern for exposure and illness than COVID," - Washington ...

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

With data showing a significant rise in flu cases nationwide, medical experts are describing it as the worst flu season since ...

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

Low vaccination rates may be contributing to the spread of flu, but data suggests the number of cases so far this season is ...

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

The map of flu activity across the United States continues to darken, both figuratively and literally, as case numbers spike ...

Florida experiences "very high" flu activity, causing public health concerns and prompting calls for vaccinations and early ...

Despite the severity of this flu season, vaccination rates have remained consistent with previous years, according to the CDC ...

NEW YORK (AP) — All live poultry markets in New York City and some of its suburbs were ordered Friday to close for a week ...