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.

U.S. Secretary of Agriculture Brooke L. Rollins recently provided an update on the U.S. Department of Agriculture’s ...

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

The U.S. Centers for Disease Control and Prevention (CDC) announced the end of the bird flu emergency, at least for now.