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.

Cases of H5N1 bird flu in U.S. dairy and poultry workers have largely been mild. However, a new case in a British Columbia ...

H5N1 avian flu was confirmed in a pig on a backyard farm in Oregon, the first detection of the virus in hogs in the ...

Another cause for concern: flu season is underway in the U.S., and as seasonal influenza virus goes around, “humans, ...

Viruses work by taking control of our cells and carefully reprogramming them into machines to make more viruses. Because of ...

Amid an ongoing outbreak of bird flu in American dairy herds and poultry flocks, Canadian officials have announced ...

The deadly 1918 flu jumped from people to pigs in the 1920s. It then jumped back into humans periodically, most recently in ...

Scientists in the US have expressed concern about the detection of the first case of H5N1 avian influenza (bird flu) flu in a ...

Rising H5N1 bird flu cases in the U.S. prompted the CDC to study the virus in ferrets, revealing it may have the potential to ...