While it remains seasonal in poultry, the disease is spreading in dairy cows and infecting hundreds of other ...

According to a new study, an evolutionary shift around 2020 helped the bird flu virus adapt better to wild birds.

Earlier this fall, the FDA issued a reminder to pet food manufacturers to consider the highly pathogenic avian influenza H5N1 in their food safety plans as H5N1 cases tend to increase during the fall ...

The first human to have ever been infected with H5N5 strain of bird flu has died, Washington state health officials confirmed ...

The person, who had been hospitalized in King County since early November, died on Nov. 21, health officials said.

Now, in a new study looking at how these viruses were introduced and spread in North America, Louise H. Moncla from the ...

After a Western Washington resident became the first human to contract a rare form of avian flu, you may be wondering if ...

A U.S. patient has tested positive for the H5N5 bird flu subtype for the first time. Learn how H5N5 differs from H5N1, what the new strains mean for public health, and whether vaccines are available.

Are your backyard chickens safe from bird flu? Find out how it spreads, ways to prevent it, and key signs to monitor.

Health authorities in the United States have reported the death of a citizen from infection with the H5N5 strain of avian influenza. This is the first human death worldwide from th ...

Type A viruses are the most significant for human and animal health, and they are all descended from avian viruses. The flu A ...