Boulder County Health officials said the bird was found on private property near a flock of chickens kept in a run.

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

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

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

A second type of bird flu has been found in U.S. dairy cows for the first time, the U.S. Department of Agriculture announced.

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 ...

The newer variant of avian influenza that recently infected dairy cattle in Nevada has a genetic change that’s thought to ...

Three of America’s top milk-producing states are not participating in the U.S. Department of Agriculture’s program designed ...

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

Sonya Stokes, an emergency room physician in the San Francisco Bay Area, braces herself for a daily deluge of patients sick ...

The Wyoming Department of Health said on Friday it has identified its first human case of H5N1 bird flu in the region, making ...

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