Yolo County officials confirmed on Thursday the presence of the highly contagious bird flu known as H5N1 in a backyard poultry flock.

The family-owned farm is the latest victim of the deadly outbreak hitting poultry, dairy herds and people across the nation.

After a Long Island farm was forced to euthanize 99,000 birds due to a bird flu outbreak, the impact of the virus continues to grow nationwide. More than 130 million birds have been infected across ...

The highly infectious H5N1 strain has caused outbreaks across the country. Now, Long Island’s last duck farm must kill its entire flock and may go out of business, its owner said.

President Trump announced he's pulling the U.S. from the WHO. Now researchers are scrambling to understand what that means for the H5N1 bird flu pandemic.

The Neosho egg producer Opal Foods is destroying a flock of about 1,585,000 chickens and the Newton County Health Department is monitoring about 30 Opal Foods employees after an outbreak of bird flu ...

The owner of the Crescent Duck Farm in Aquebogue, N.Y., has been forced to euthanize its flock of more than 100,000 ducks due to positive bird flu tests.

A south suburban community is rallying around a family-run farm after they lost their entire flock of hens to a bird flu outbreak. It is something farmers across the country are ...

A family-run farm in Chicago's south suburbs was grappling Wednesday with what they said was a devastating case of bird flu.

State officials are ramping up testing and urge farmers to strengthen biosecurity as efforts intensify to protect New York ...

On Wednesday, a state/federal call scheduled for Thursday involving states affected by H5N1 bird flu in dairy cattle and ...

Scientific meetings were canceled, and research data on the bird flu outbreak was delayed, amid confusion over the directive.