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

Canadian officials have announced that a teenager in British Columbia has been hospitalized in critical condition with what is believed to be bird flu.

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

when it started a swine flu pandemic. That pandemic wasn’t as deadly as scientists initially feared, thanks to changes in the virus and our immunity. People and pigs seem to exchange viruses ...

Researchers have identified new roles for a protein long known to protect against severe flu infection—among them, raising ...

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

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

But it's too early to breathe easy, because flu outbreaks often go dormant only ... In the "hysteria" over the swine flu, Mexico urged people to refrain from greeting each other with a kiss ...

A year after an outbreak of H5N1 killed thousands of elephant seals, only about a third of the seals normally expected here ...

By Leah Douglas and Tom Polansek CHICAGO (Reuters) -H5N1 bird flu was detected in a pig in a backyard farm in Oregon, the ...

An epidemiologist makes the case that a rush of research to stop a swine flu outbreak led to an accidental lab release of an extinct virus. Preparing for one pandemic triggered a different one.