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

The vaccine for H1N1 flu (swine flu) will be available in the fall of 2009. This vaccine is separate from the usual seasonal flu vaccine. Pregnant women are first on the list of those who should ...

Pigs can become coinfected with bird and human viruses, allowing genes to swap to form a new, more dangerous virus that can ...

NEW YORK -- A pig at an Oregon farm was found to have bird flu, the U.S. Department of Agriculture announced Wednesday. It's ...

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

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 ...

CHICAGO (Reuters) - H5N1 bird flu was detected in a pig in a backyard farm in Oregon, the first detection of the virus in ...

A pig in Oregon has tested positive for H5N1 bird flu for the first time, according to a Wednesday announcement from the U.S. Department of Agriculture. Doctors weigh in on potential concerns.