Experts warn of concerns over spread of U.S. bird flu outbreak as federal agencies struggle to rehire fired employees. Updates on genetic mutation here.

Prior exposures to specific types of seasonal influenza viruses promote cross-reactive immunity against the H5N1 avian ...

Six dead swans found in Westboro likely died from bird flu, health officials said Friday. The six dead birds were found in the area of Mill Pond, according to a joint statement from the Westboro ...

Prior exposures to specific types of seasonal influenza viruses promote cross-reactive immunity against the H5N1 avian ...

Bird flu is suspected in the deaths of six swans near Mill Pond in Westborough, Massachusetts.There have been no known human ...

Almost 6 in 10 Americans who identify as Republican do not trust the Centers for Disease Control and Prevention (CDC) to provide reliable information on H5N1 bird flu, according to a new poll from ...

California health officials confirm human cases of bird flu linked to Central Valley dairy farms, with 37 workers and one ...

Town officials say six swans that were found dead on or near Mill Pond in Westborough are suspected to be victims of bird flu ...

The USDA's update said that the rats were likely infected after exposure to birds sick with avian flu on nearby farms.

Scientists are sounding alarms about a genetic mutation that was recently identified in four dairy cow herds, nearly one year ...