H5N1 avian influenza, more commonly known as bird flu, has infected more than 100 million birds in the U.S. and almost 500 ...

There have been dozens of confirmed human cases of bird flu in the U.S. this year. Experts discuss the symptoms, risks and ...

“Factory farms notorious for raising billions of sickly animals in filthy, cramped conditions provide a recipe for viruses ...

A Canadian teen who is in critical condition after contracting H5N1 bird flu was infected with a version of the virus that is different from the one circulating in U.S. cattle.

Researchers have identified new roles for a protein long known to protect against severe flu infection – among them, raising the minimum number of viral particles needed to cause sickness.

Chicago | Reuters—H5N1 bird flu was confirmed in a pig on a backyard farm in ... Pigs were the source of the H1N1 flu pandemic in 2009-2010, and have been implicated as the source of others, said ...

A teenager in Canada is critically ill with the country's first human case of H5N1 bird flu. Health officials aren't sure how ...

Wastewater in several Californian cities, including San Francisco and Los Angeles, recently tested positive for bird flu. But ...

Smith: Since 2022, the U.S. poultry industry has been battling a particularly persistent strain of H5N1, or avian influenza, ...