Outpatient health care visits for flu illnesses are at their highest levels in 15 years, according to data updated Friday by ...

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

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 ...

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

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

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 ...

The U.S. winter virus season is in full force, and by one measure One indicator of flu activity is the percentage of doctor’s ...

The US is experiencing its most intense flu season since 2009 - This flu season has shuttered schools across the nation and ...

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