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

Bird flu, also known as H5N1, continues to spread among U.S. livestock, driving up egg prices and worrying public health ...

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

A version of the H5N1 virus that has killed one person and severely sickened another has been detected in milk samples ...

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

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

A recent study conducted on human A(H5N1) cases in the United States found that conjunctivitis was the primary symptom ...

The California duck farm's strain of H5N9 is different from those earlier cases because this time it is closely related to a ...

The USDA said four Nevada dairy herds were infected with an H5N1 bird flu strain that has circulated in wild birds, making ...

While the H5N1 bird flu keep spreading, the first reported H5N9 outbreak in the United States has been identified on a duck ...

The progression of the species-jumping disease has been unprecedented, including the first-ever U.S. cases of infections in ...