At least four cattle herds in Nevada have tested positive for a strain of H5N1 bird flu never before seen in cows, state ...

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.

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 ...

The new strain, D1.1, is different from the strain, B3.13, that has been detected in other dairy herds throughout the country, but has been connected to serious infections in humans.

A new strain of bird flu has been detected in US dairy cattle, raising concerns about its potential transmission and impact ...

A new strain of the H5N1 bird flu virus has been detected in milk samples collected from dairy cows in Nevada.

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

The U.S. Department of Agriculture said Wednesday that six dairy herds in Nevada have tested positive for a strain of bird flu associated with a man's death in January.

The D1.1 version of the virus was detected during milk testing late last year and was the strain that led to the death of a Louisiana man and severely sickened a Canadian teen. The CDC has not held ...

A highly pathogenic D1.1 genotype of avian influenza was detected in Nevada dairy cattle, according to reports On Friday, the USDA’s Animal and Plant Health Inspection ...