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 ...

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.

According to the Nebraska Department of Agriculture, so far this year there have been two cases in backyard flocks in Nance ...

According to the Massachusetts Department of Health, roughly 10% of sentinel provider visits were for flu-like symptoms. That ...

While certainly making media buzz now, Western Kentucky University Biology Professor Noah Ashley explained bird flu has been ...

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

Cases of the flu continue to rise nationwide and now appear to be higher than they've been in at least three decades, ...