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

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

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

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 Missouri healthcare workers are experiencing mild respiratory symptoms after coming in contact with a bird flu ...

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

From Alaska to Florida, poultry farms and dairy operations have reported outbreaks of highly pathogenic avian influenza, ...

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

For influenza viruses, imperfection is a strength. They constantly mutate, producing new strains that challenge immune ...

Health authorities in the U.S. are studying seven people who developed influenza symptoms after being exposed to a Missouri ...

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