The strain of bird flu is distinct from what has previously been found in dairy cattle. The finding means the virus has again spilled over from birds to cows, and it raises some worrying questions.

A version of the avian influenza virus different from the one rampaging through herds since last spring has been detected in ...

Dairy cattle in Nevada have been infected with a new type of bird flu that's different from the version that has spread in ...

At least four cattle herds in Nevada have tested positive for a strain of H5N1 bird flu never before seen in cows, state ...

Six dairy herds in Nevada have tested positive for a newer strain of the H5N1 bird flu virus that’s been associated with ...

Nearly 119,000 birds have been culled at a farm in California after a bird flu called H5N9 was detected among the poultry ...

If you've purchased eggs in recent weeks, there's a good chance you've gotten sticker shock thanks to the rises in prices ...

Maple Meadow Farm in Salisbury is just one of the many places that help bring eggs to store shelves around Vermont. However, ...

A new strain of highly pathogenic bird flu (H5N9), which has never been seen in the United States before, was recently discovered on a duck farm in ...

A conservation group in Chicago says hundreds of red-breasted mergansers, a species of diving duck that typically winters in the Great Lakes region, have been found sick or dead of suspected avian ...

A new antibody therapy effectively protects monkeys from severe H5N1 avian flu, offering hope for a universal flu vaccine and ...

Avian influenza that has affected some 222,000 birds in Oklahoma and 130 million nationwide will continue to put pressure on prices in grocery stores in Tulsa and other communities. The flu ...