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 (CDC) on September 13 shared new information from Missouri officials on ...

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.

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.

Genetic analysis of a bird flu virus detected in a person in Missouri who didn’t previously have contact with animals offers ...

WASHINGTON — Public health officials are still trying to determine how a Missouri resident contracted bird flu without having ...

The H5N1 bird flu has been spreading widely among wild birds, poultry, cows and a growing number of other animals NBC ...

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

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

The first human case of H5N1 or avian influenza has been confirmed in Missouri through an influenza surveillance system via ...

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 ...