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

A branch of the H5N1 bird flu family tree that hadn't previously been seen in cattle has now been detected in dairy cows.

The new H5N1 version, known as D1.1, was found in dairy cattle in Nevada and is different than the B3.13 type that has spread ...

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

When it comes to the potential of H5N1 avian flu, otherwise known as bird flu, picking up mutations that may lead to human-to ...

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

Herds of cattle in Nevada tested positive for the strain of H5N1 bird flu never before seen in cows, state agriculture ...

Dairy cattle in Nevada have been infected with a new type of bird flu that's different from the version that has spread in ...

Bird flu is widespread in wild birds worldwide and is causing outbreaks in poultry and dairy cows with several recent human cases.

A version of the H5N1 bird flu virus that killed a person in Louisiana and severely sickened a teenager in Canada has now ...

For the first time, a new genotype of avian influenza has been identified in U.S. dairy cows, prompting biosecurity efforts.