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 ...

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 ...

Scientists are calling on the U.S. Centers for Disease Control and Prevention (CDC) to disclose data about the risks of bird ...

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

San Mateo County public health officials reported finding H5N1 bird flu in a pet cat and a backyard poultry flock.

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 ...