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 new variant of the H5N1 bird flu — the same one that led to the death of a Louisiana man — has for first the first time ...

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

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

Dairy cows in Nevada have been infected with a new strain of bird flu virus different from the one circulating in other herds ...

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

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

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 ...

Nevada dairy cattle infected with a new bird flu strain, Type A H5N1 D1.1, raising concerns of multiple transmission channels ...

A new type of bird flu has been detected in dairy cattle in Nevada, according to the USDA. The strain is different from the ...

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

Bird flu can be transmitted from infected birds to other animals and potentially humans directly from the birds, virus-contaminated environments or an infected animal, according to the CDC.