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

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

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

Researchers have a new hope for preventing severe illness from the bird flu after finding a groundbreaking antibody treatment ...

A version of the virus that's widespread in wild birds had not been detected in cows before. This suggests a continuing risk ...

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 strain of the H5N1 bird flu virus that has typically spread in poultry and wild birds recently jumped to dairy cattle in ...

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

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 ...

Nevada dairy cows have been infected with a new form of bird flu, the Department of Agriculture announced Wednesday. The news ...

Here's what you need to know about the highly pathogenic H5N1 avian influenza, and what bird flu might mean to you, your ...