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

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 ...

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

A version of the avian influenza virus different from the one rampaging through herds since last spring has been detected in ...

As bird flu continues to spread across the United States, questions have emerged about the risk of contracting the virus from ...

With the devastating 1918 pandemic in mind, US health officials saw an outbreak in Asia and swung into action. What happened ...

Pennsylvania lawmakers moved swiftly this week to pass legislation to bolster the frontlines in the agriculture sector’s ...

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

While the risk to humans of exposure from cows or milk remains low, this new flu spillover from birds into cows raises the need for continued surveillance.

A new variant of H5N1 bird flu, known as D1.1, has been detected in dairy cattle in Nevada. This marks the first time this ...