In its latest update, the CDC said the second health care worker wasn’t tested for influenza because the illness had resolved ...

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

Three people in contact with a hospitalized bird flu patient in Missouri have developed symptoms, officials said.

An extensive look at wastewater samples taken across the United States from May to July found traces of the H5N1 bird flu ...

Mysterious US bird flu case in person without any known contact with an infected animal raises spectre of human-to-human ...

A second healthcare worker in Missouri showing symptoms after contact with a bird flu patient has not been tested. The total ...

In a disclosure that can't eliminate the possibility that bird flu may have spread from one human to another for the ...

In a case that continues to confound scientists, U.S. health officials said Thursday that they still don't know how ...

An extensive study on wastewater samples taken across the United States from May to July found traces of the H5N1 bird flu ...

With the approach of fall and cooler weather across the United States, officials say the risk posed by the H5N1 bird flu ...

Epidemiologists have not yet identified exactly how a person in Missouri contracted bird flu last week, said the U.S. Centers for Disease Control and Prevention on Thursday.