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.

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

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.

South Africa is grappling with a resurgence of the H5N1 bird flu, following outbreaks on poultry farms in Tswaing and Mkhondo ...

The U.S. Centers for Disease Control and Prevention said on Monday it has ended its emergency response for H5N1 bird flu, ...