The U.S. influenza rate is at or near its highest level in at least 15 years and is still on the rise, the U.S. Centers for ...

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

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

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 ...

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

Data from the Centers from Disease Control and Prevention on doctors' visits for flu-like symptoms indicate this is the most ...

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

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 ...

But as that pause has started to lift, Trump officials at HHS, and acting CDC Director Susan Monarez, refused repeated ...

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