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 the end of the bird flu emergency, at least for now.

The CDC ends its emergency response to H5N1 bird flu after recording 70 human cases and one death nationally, even as experts ...

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

CASA GRANDE -- As bird flu has spread across 10 states, causing over 30 million chickens to be euthanized, quail breeders are seeing increased interest in alternatives.

Big cats are increasingly spotted near Washington, D.C., raising concerns among wildlife officials and residents. Experts believe habitat changes, shrinking food sources, and urban expansion are ...

Long Island’s last commercial duck farm is rebuilding after a bird flu outbreak forced the destruction of its entire 100,000-bird flock in January. The first wave of more than 900 ...

Chickens at a fourth commercial farm in Maricopa County tested positive for bird flu, the Arizona Department of Agriculture said.

Amidst an ongoing outbreak of a deadly bird flu virus in livestock, the US Department of Agriculture is doing more to prevent the spread than public health agencies are ...

The vote was 214-212. “House Republicans just killed Big Bird and shut down Sesame Street,” said Connecticut U.S. Rep. John Larson, D-1.