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

From the outset of the Trump administration, bird flu, or H5N1 avian influenza, has flown rather conspicuously — and in fact ...

Cambodia's Ministry of Health recently confirmed the country's twelfth human case of H5N1 avian influenza so far this year.

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