The Trump administration is suing the state of California to block animal welfare laws that it says unconstitutionally helped ...

Although the avian flu (H5N1) virus may not be making the news as frequently, it is still working hard behind the scenes, ...

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

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

The agency said it's because of a drop in cases; no human infections have been reported since February.

The U.S. ended its emergency designation for bird flu last week, a person familiar with the situation told Bloomberg. Starting this week, bird flu stats will be updated monthly and won't include ...

The U.S. Centers for Disease Control and Prevention has merged H5N1 bird flu updates with routine updates for seasonal ...