The number of workers at a Franklin County commercial egg farm who have now tested positive for avian influenza has increased ...

A second person in Missouri who wasn't exposed to either poultry or dairy cows has been infected with bird flu, U.S. health ...

Federal health officials announced Thursday that a Missouri resident infected with bird flu did not spread the virus to ...

Dairy industry experts say the virus entered California after local cows were shipped to another state and then returned to ...

As H5N1 bird flu continues to spread wildly among California dairy herds and farmworkers, federal health officials on ...

Blood tests of several people who were in contact with a patient in Missouri who caught H5N1 bird flu without any known ...

The bird flu virus hasn't yet spread from person to person, the CDC said Thursday, releasing findings from a monthslong probe ...

Health officials say there’s no evidence bird flu is spreading between people after investigating a mysterious Missouri ...

There is no evidence of human-to-human transmission of bird flu in the case of the Missouri patient with no known infected ...

The number of people infected with bird flu in the U.S. has risen to at least 31, federal health officials said Thursday, but ...