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

Arizona agricultural officials say they now have the first detection of H5N1 avian influenza in milk produced by a dairy herd ...

The same genotype was detected in a severe human case that resulted in the United States’ first bird flu-related death.

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

Originally found mostly in wild birds and poultry, H5N1 clade 2.3.4.4b, genotype D1.1, was discovered in dairy cattle last ...

A dairy worker in Nevada has reportedly been infected by the killer variant of H5N1 bird flu; analysis shows changes in new ...

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, ...

Egg prices are expected to increase by 20% in 2025, largely due to the spread of a highly pathogenic avian influenza ...

State agriculture officials confirmed Tuesday that a dairy farm in Maricopa County tested positive for bird flu – Arizona's ...

Nevada just confirmed its first human case of avian flu from infected cattle. Nevada’s first case was found in Churchill ...

A sample of milk from a herd of dairy cows in Maricopa County has tested positive for H5N1 avian influenza, or bird flu, according to the Arizona Department of Agriculture.

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