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

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

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

The strain of bird flu is distinct from what has previously been found in dairy cattle. The finding means the virus has again spilled over from birds to cows, and it raises some worrying questions.

The USDA Animal and Plant Health Inspection Service (APHIS) recently confirmed the deadly bird flu genotype responsible for ...

Dairy cows in Nevada have been infected with a new strain of bird flu, marking the second strain detected in herds since ...

A version of the avian influenza virus different from the one rampaging through herds since last spring has been detected in ...

A version of the virus that's widespread in wild birds had not been detected in cows before. This suggests a continuing risk ...

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

The USDA said four Nevada dairy herds were infected with an H5N1 bird flu strain that has circulated in wild birds, making ...

The U.S. Department of Agriculture has detected a bird flu strain in dairy cattle that previously had not been seen in cows, ...

Bird flu is continuing to spread across the United States, infecting wild birds and backyard poultry. It's causing egg prices ...