New versions of the H5N1 virus are increasingly adept at spreading. Suggestions to either let it rip in poultry or vaccinate the birds could backfire.

The U.S. Centers for Disease Control and Prevention (CDC) announced it is streamlining its H5N1 highly pathogenic avian ...

The Centers for Disease Control and Prevention (CDC) has ended its emergency response to the H5N1 avian flu. A spokesperson ...

The U.S. Centers for Disease Control and Prevention ended its emergency response for bird flu as the outbreak that sickened ...

Five House members from California’s San Joaquin Valley led by Rep. Jim Costa, a Democrat, sent Agriculture Secretary Brooke Rollins a letter on Tuesday urging her to develop and evaluate an H5N1 ...

The Centers for Disease Control and Prevention ended its emergency response to bird flu as the outbreak that sickened dozens ...

Doctors and researchers said the moves will make it harder to detect potentially dangerous changes. If the virus continues to ...

The Centers for Disease Control and Prevention has ended its emergency response to the H5N1 bird flu and said Monday it will ...

The U.S. Centers for Disease Control and Prevention has ended its emergency response to the H5N1 bird flu outbreak, a move ...

Cambodia's health ministry today announced another human H5N1 avian flu case of the year, involving a 5-year-old boy from ...

Some of the recent wild bird positives were sampled recently in a region where outbreaks were reported at Arizona layer farms ...

The state of Wisconsin has reported only one case of bird flu in a backyard poultry flock this year. Dairy herds remain free from virus.