A close contact of someone with bird flu became ill on the same day, the C.D.C. reported. But the second person was not ...

A patient in Missouri who was hospitalized after an infection with bird flu had the H5N1 strain of the virus, the US Centers ...

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

An individual from Missouri with no known exposure to risk factors got infected, and a close contact developed symptoms but ...

Mystery H5 flu case had a close contact who was ill at same time; CDC hopes blood tests will show if there was a connection.

A close contact of a Missouri resident identified as having a human case of the H5N1 avian flu also became sick around the ...

Bird flu cases have been popping up all across the country, including in Arizona, with a little over 60 confirmed animal cases in the state.

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

The case is concerning because it's the first human case this year not tied to a known exposure to animals. Before now, all ...

Federal officials are still trying to determine how a Missouri resident with no known exposure to bird flu, contracted the ...

In the U.S., H5N1 has been detected in wild birds since 2022 and has caused major outbreaks on commercial poultry farms, ...

As the fall and winter seasons approach the US, scientists are worried about a renewed spread of the deadly H5N1 bird flu ...