The presence of highly pathogenic avian influenza, or H5N1 bird flu, has been confirmed after officials worked to quarantine ...

Exclusive reporting reveals how the United States lost track of a virus that could cause the next pandemic. Problems like the ...

H5N1 outbreaks have led to the losses of commercial flocks in Barron, Trempealeau, Washburn and other Wisconsin counties.

A wildlife sanctuary in Washington state is under quarantine after 20 big cats died due to H5N1 bird flu infections.

After Gov. Gavin Newsom last week declared an emergency stemming from bird flu’s spread in dairy herds, local public health ...

A Portland brand of cat food is being recalled in 12 states, including Washington, after a cat that ate it contracted bird ...

The recall, according to a news release published Wednesday, involves Northwest Naturals' Feline Turkey Recipe raw frozen pet ...

When, where and how the H5N1 bird flu virus may evolve and its capacity to spark a pandemic is hard to predict — in part, ...

Public health officials have just reported the first known “severe” case of bird flu in the United States. There are now 61 ...

Highly pathogenic avian influenza was confirmed by Vermont officials last week in Franklin County. Footage shows the moment ...

The first severe case of H5N1 bird flu was confirmed in Louisiana. Here is a map of other states that have been affected.