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

The discovery of bird flu in the San Mateo backyard flock prompted health officials to remind people to take biosecurity ...

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

Chickens and turkeys at commercial poultry operations likely became infected with bird flu through contact with migrating ...

While it's tragic and alarming to see a massive die-off, it's not uncommon for birds that travel in such large populations.

Darke County is leading the nation in birds affected by the avian flu with over 5,095,890 birds euthanized. Mercer County is ...

Tools used to contain previous bird flu outbreaks aren’t working this time, experts say. The virus has sickened at least 67 people in the U.S. and killed one, with egg producers begging for a new ...

New York has ordered a weeklong shutdown of all live bird markets in New York City, Westchester and Long Island after seven ...

A second type of bird flu has been found in U.S. dairy cows for the first time, the U.S. Department of Agriculture announced Wednesday.

Cases in avian influenza, better known as bird flu, are continuing to rise nationwide. In New York, the virus has primarily affected geese and raptors. But with one human ...

While the risk to humans of exposure from cows or milk remains low, this new flu spillover from birds into cows raises the need for continued surveillance.

Two rare bird flu strains have emerged since late January, prompting public health concerns during a freeze on federal health communications.