A CDC study has found H5N1 bird flu antibodies in veterinarians who had no symptoms and no knowledge they had been working ...

Another spillover of the H5N1 bird flu virus from wild birds to dairy cattle appears to have occurred, this time in Arizona.

Three veterinarians who work with cows have tested positive for prior infections of H5 bird flu, according to a study ...

Dairy cows in Nevada have been infected with a second version of the avian influenza virus that is different from the one rampaging through herds since the spring, Agriculture Department officials ...

A dairy worker in Nevada has been infected with a strain of H5N1 bird flu—genotype D1.1—that has newly spilled over to cows, ...

The same strain is linked to the bird flu patient who died in Louisiana. A second type of bird flu has been found in dairy cows for the first time, the U.S. Department of Agriculture announced on ...

Pennsylvania has become the first major dairy producing state to achieve HPAI-free status from the USDA for its milk supply.

A dairy worker in Nevada has been confirmed to be infected by a new bird flu strain found to be spreading among cows in the ...

2:17 Health Matters: U.S. dairy cows infected by a new type of bird flu Nevada has confirmed its first human case of bird flu in a farm worker who was exposed to infected dairy cattle ...

Researchers aren’t sure how the D1.1 variant was transmitted to the Nevada cows. Dairy farmers with infected herds reported large die-offs of wild birds near their farms before their cows got ...