A branch of the H5N1 bird flu family tree that hadn't previously been seen in cattle has now been detected in dairy cows.

Until last week, all bird flu in dairy herds had been identified as the B3.13 variant, which was believed to have come from ...

A new variant of the H5N1 bird flu — the same one that led to the death of a Louisiana man — has for first the first time ...

Along the long road from American icon to endangered species and back again, the bald eagle — national bird of the United ...

Although it is standard procedure to kill flocks with the outbreak of bird flu, posts on social media twisted the truth.

When it comes to the potential of H5N1 avian flu, otherwise known as bird flu, picking up mutations that may lead to human-to ...

In an announcement, the zoo said the closure "is out of an abundance of caution meant to protect our avian population from ...

A new strain of bird flu has been detected in US dairy cattle, raising concerns about its potential transmission and impact ...

A second strain of bird flu has been detected in U.S. dairy cattle, marking the first confirmed infections of this particular ...

At least one bird from a commercial poultry operation in Lancaster County has tested positive for highly pathogenic avian ...

At least one bird from a commercial poultry operation in Lancaster County has tested positive for highly pathogenic avian ...

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