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

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

With recent outbreaks reported across the United States, the facility has maintained rigorous protocols for two years and ...

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

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

Three San Diego County teenagers have recently died from the flu, according to local health officials. The San Diego County Health Department made the announcement Thursday and said none of the teens ...

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

Kentucky Department for Public Health officials reported Friday that a child has died from influenza, the first for this respiratory season.

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

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

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