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 Centers for Disease Control and Prevention ended its emergency response to bird flu as the outbreak that sickened dozens of people, spread to cattle, and drove up egg prices has abated.

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

The Centers for Disease Control and Prevention July 7 announced ( it is streamlining H5N1 bird flu updates with its routine ...

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 said on Monday it has ended its emergency response for H5N1 bird flu, ...