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 ...

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

Researchers are reporting mass die offs of wild birds and sea mammals due to bird flu. They're tracking the deaths to better understand the virus and how it might create a greater threat to humans.

Bird flu has decimated poultry flocks and infected cattle herds. The risk to humans is currently low, but that could easily ...

Cows in Nevada have been infected with a strain of H5N1 bird flu different from the strain detected in all other herds to this point in the ongoing dairy outbreak. It's the same strain that killed a ...

What you need to know about bird flu. Public health experts are closely watching avian influenza, which has affected chickens ...

With egg supplies constrained by a widespread outbreak of bird flu, experts say a shortage could stretch into next year, ushering in surcharges at restaurants and potentially higher prices throughout ...

President Trump shared figures inflating the spike in autism in a post Tuesday morning promoting his pick to lead the ...

H5N9 is “not commonly seen in poultry in general,” says Eman Anis, assistant professor at the University of Pennsylvania ...