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 ...

The finding indicates that the virus, known as H5N1, has spilled from birds into cows at least twice — leading to these two ...

Legislation intended to aid the state’s response to highly-pathogenic avian influenza, or bird flu, passed the Senate ...

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

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

The highly contagious bird flu has hit Montgomery County, Maryland, where officials say a backyard flock of chickens tested ...

State officials say the highly pathogenic avian influenza – more commonly known as bird flu – is widespread in much of the ...

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

In December more than 100,000 birds, nearly all of them chickens, were killed at the Cullman County farm and a backyard flock ...

As it mutates, the bird flu has seemingly been able to infect other bird species, pets, other kinds of animals and, on rare ...