Bird flu cases have more than doubled in the country within a few weeks, but researchers can't determine why the spike is ...

Bird flu cases have more than doubled in the country within a few weeks, but researchers can’t determine why the spike is ...

The Missouri illness reported last month was different from the other bird flu infections in people in the U.S. this year. Those cases have been in farmworkers.

Health officials said Thursday that there's no evidence bird flu is spreading between people after investigating a mysterious ...

A Missouri resident who shared a home with a patient hospitalized with bird flu in August was also infected with the virus, federal officials reported Thursday. But symptomatic health care workers who ...

The Centers for Disease Control and Prevention (CDC) announced Thursday that there is no evidence of human-to-human ...

The US Centers for Disease Control and Prevention on Thursday confirmed two of the four presumptive positive bird flu cases ...

Testing showed a Missouri bird flu patient did not infect the people around them, federal health officials said Thursday, a ...

The bird flu virus hasn't yet spread from person to person, the CDC said Thursday, releasing findings from a monthslong probe ...

The U.S. Centers for Disease Control and Prevention confirmed two of four presumptive positive bird flu cases among poultry farm workers in Washington state. The agency also ruled out bird flu ...

Blood tests of several people who were in contact with a patient in Missouri who caught H5N1 bird flu without any known ...