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

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 ...

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

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

"Even sporadic cases of human-to-human transmission indicate a big change in the virus and suggest it is exploring new ...

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 ...

A third close contact of a patient in Missouri who was hospitalized with H5N1 bird flu has reported that they also ...

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

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

(Reuters) -Four additional healthcare workers in Missouri who were in contact with a bird flu patient developed mild ...