Hospital workers reported respiratory symptoms after encountering a Missouri patient with H5N1 who had not been exposed to ...

Missouri officials are under growing pressure from national public health experts to pinpoint the source of the state’s first ...

Further testing could confirm whether the patient, who has since recovered, actually had bird flu despite testing positive.

Chances are low that human-to-human spread of bird flu occurred in a group of people who were exposed to a patient infected ...

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 ...

None of the health care workers or other contact have tested positive for avian flu antibodies so far — but could their ...

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 ...

U.S. health officials have run into obstacles in their efforts to determine whether a Missouri person infected with H5N1 bird ...

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 ...