Four additional healthcare workers in Missouri who came in contact with a hospitalized bird flu patient developed mild ...

In what could be the first cases of bird flu spreading between humans in the United States, a group of potential H5N1 ...

Testing is ongoing among five health care workers and a household member exposed to the infected person who all came down ...

A possible cluster of bird flu infections has grown to include eight people, in what may be the first examples of ...

Four more health-care workers who tended to a person hospitalized with H5N1 bird flu have revealed that they had respiratory ...

More than a month after a person in Missouri mysteriously fell ill with H5-type bird flu, investigators in the state are ...

A cluster of healthcare workers has been tested for H5N1 bird flu in what could be the first cases of human-to-human spread of the virus.

The CDC said an investigation into a human H5N1 bird flu infection in Missouri has found four additional health care workers ...

A total of 94 healthcare workers were possibly exposed to the state's first human bird flu case, and the nation's first ...

Missouri healthcare worker who had contact with a hospitalized patient infected with bird flu developed mild respiratory ...

Another health care worker who was exposed to a Missouri patient who tested positive for bird flu developed respiratory ...

Four healthcare workers in Missouri who came into contact with a bird flu patient developed mild respiratory symptoms, but ...