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

The Centers for Disease Control and Prevention should have results later this month that provide more insight into how a ...

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

Missouri State Epidemiologist George Turabelidze, facing mounting pressure from health experts to be more transparent while ...

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

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

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

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

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

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

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

Seven people in contact with a patient hospitalized with bird flu also developed symptoms, the C.D.C. reported. Some are ...