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

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

As more farm workers get sick with avian influenza, the US federal government is putting $72 million toward strengthening its ...

Two dairy workers in California have been infected with the state’s first human cases of bird flu, federal and state health ...

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

Is there human-to-human spread of H5N1 bird flu? The CDC is awaiting antibody test results from the Missouri patient and ...

A routine flu screening in late summer found the H5N1 virus in a Missouri patient. Unlike the other reported cases of avian ...

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

The big cat outbreak is the latest worrying instance of widespread bird flu transmission to mammals. Bird flu appears to have ...

The Missouri case is the only bird flu diagnosis in the United States this year where the person hadn’t had direct contact ...

A routine flu screening in late summer found the H5N1 virus in a Missouri patient. Unlike the other reported cases, this ...

Two individuals have been diagnosed after separate exposures to infected dairy cows, raising the nationwide total of human cases to 16.