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

The Centers for Disease Control and Prevention said Thursday it has yet to identify “a clear source” of infection in a ...

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 ...

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

The world is watching how the U.S. is responding to the H5N1 bird flu outbreak in dairy cattle, a top WHO official said.

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

All the other human infections of H5N1 reported this year have been ... Further information posted about the Missouri case Friday in the CDC’s weekly FluView report revealed that a close ...

According to a CDC avian flu update issued Friday ... It was the 14th overall human case of H5N1 reported in the nation. The Missouri patient was hospitalized on Aug. 22, underwent testing ...