A new mutation and the first severe case of H5N1 bird flu discovered in a human in Louisiana has raised concern among some ...
A backyard flock in Vermont was sickened with H5N1, agricultural officials said on Thursday, following other reports of bird ...
The ongoing spread of bird flu in the United States has alarmed experts -- not just because of human cases causing severe ...
As the CDC is tracking mutations in the bird flu virus that may make it easier for the infection to be spread from person to ...