The current bird flu outbreak in Massachusetts is the largest the state has ever seen. Here's why officials believe it has ...

The progression of the bird flu in America since 2021 has been unprecedented, including the first-ever cases of infections in dairy cattle and raising heightened pandemic risks.

New Yorkers can report sightings of sick or dead wild birds to a online platform just launched by the state Department of Environmental Conservation.

In today’s Health Alert, a new strain of bird flu - H5N9 - has been detected in the U.S. The first confirmed case was found ...

Worries about the bird flu have prompted ZooAmerica in Hershey to make some changes. It's temporarily relocating its bird population to avoid contact with wild birds that may be infected with highly ...

An earlier version of this story reported that the virus had been detected since then.) The number of bird flu ...

Highly pathogenic' avian influenza can pose a dire risk to wild birds, as the North Fort Myers eagle nest shows, but most ...

In summertime, cows wait under a canopy to be milked at Mark McAfee’s farm in Fresno, California. From his Cessna 210 ...

This latest outbreak is part of a broader epizootic that has swept across the United States, affecting not only poultry but ...

The Trump administration has intervened in the release of important studies on the bird flu, as an outbreak escalates across ...

Bird flu is now believed to be widespread in Massachusetts and is likely present even in places where there has not been a ...