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

Until last week, all bird flu in dairy herds had been identified as the B3.13 variant, which was believed to have come from ...

For the first time since 1952, publication of the CDC's Morbidity and Mortality Weekly Report was halted. It returned on Feb.

Six dairy herds in Nevada have tested positive for a newer variant of the H5N1 bird flu virus that’s been associated with ...

State officials say the highly pathogenic avian influenza – more commonly known as bird flu – is widespread in much of the ...

A version of the H5N1 virus that has killed one person and severely sickened another has been detected in milk samples ...

Cows in Nevada have been infected with a strain of H5N1 bird flu different from the strain detected in all other herds to ...

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

More than 156 million chickens, ducks, turkeys and other fowl have been slaughtered across the United States since the ...

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

A new antibody therapy effectively protects monkeys from severe H5N1 avian flu, offering hope for a universal flu vaccine and ...

Experts said the discovery raises questions about how widely the virus has spread, and underscores the difficulty of ...