Federal scientists are closely studying H5N1 genetic sequences from California dairy workers in search of any dangerous ...

Antibody blood test results expected later this month may help answer a crucial question: Is there human-to-human transmission of the bird flu?

As California struggles to contain an increasing number of H5N1 bird flu outbreaks at Central Valley dairy farms, veterinary ...

The Missouri case is the only U.S. bird flu diagnosis this year where the person hadn’t had direct contact with infected ...

AP News Digest - California The following AP stories have moved in the last 24 hours. To find out about future plans, please visit Coverage Plan.

Local health officials have confirmed that two dairy workers infected with the avian bird flu got sick while working in the ...

Federal officials plan to double the stockpile of emergency bird flu vaccines as they identify more people infected with the ...

Two dairy workers in California were infected with bird flu, the 15th and 16th human cases detected this year in an ongoing ...

Two infected dairy workers were from two different Tulare County farms, and both were showing mild symptoms. They were ...

The companies will use the funds to fill vials and pre-filled syringes with stockpiled vaccine ingredients, aimed at raising ...

Both were in contact with infected dairy cows, both had only conjunctivitis, neither hospitalized; that brings the total ...

Both patients were dairy workers whose illnesses were mild. Investigators are continuing to evaluate the contacts of a ...