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

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

California, the biggest U.S. milk-producing state, on Thursday confirmed two human cases of bird flu in people who had ...

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 ...

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

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

A case of bird flu in a Missouri resident is the only diagnosis in the United States this year where the person did not have ...

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

Health officials in California are monitoring other exposed workers for symptoms on two dairy farms where two human cases of ...

The blood samples arrived at the CDC during the week of Sept. 30, the Washington Post said. Results are reportedly not ...

As an outbreak of bird flu among dairy cows continues to spread in the United States, two more cases have been reported ...