Another spillover of the H5N1 bird flu virus from wild birds to dairy cattle appears to have occurred, this time in Arizona.

More than 60,000 birds are to be culled at a commercial poultry premises in Co Tyrone following a suspected outbreak of bird ...

Ohio's health department confirmed Saturday that a farmer in the state was discharged from the hospital after being sickened ...

Wisdom, a 74-year-old Laysan albatross, is the world's oldest known wild bird. She also just became a mother yet again.

Bird flu has affected more than 2.2 million birds in Pennsylvania this year. The state is funding efforts to protect flocks ...

Anxieties are high as experts warn the avian flu outbreak could worsen in the spring, but egg prices are spurring more ...

For most of last year, Utah saw few cases of avian flu. That changed in the fall, and more cases are being reported, state ...

A woman is hospitalized in Wyoming with H5N1 bird flu, likely the result of handling infected birds in a backyard flock, ...

New strain of bird flu detected in California as H5N9 detected on a duck farm in Merced County, California, David Murray ...

Boulder County Health officials said the bird was found on private property near a flock of chickens kept in a run.