Health authorities confirmed that a teenager tested positive for avian influenza caused by the H5 influenza virus. The ...

The individual is presumed to have contracted the virus, also called avian flu or avian influenza, from exposure to wild ...

British Columbia health officials are investigating what's believed to be Canada's first human case of avian influenza after ...

The increase in avian influenza activity is due to a major outbreak occurring in wild birds that has been ongoing and has ...

It's officially called Highly Pathogenic Avian Influenza, better known as bird flu, and poultry farms in the Bay Area and ...

Bill Powers checks on his flock of white turkeys, which have been kept under shelter all year to prevent exposure to avian ...

"The purpose of these actions is to keep workers safe, to limit the transmission of H5 to humans and to reduce the ...

There were 21 cases of human bird flu in California on Nov. 6. Thirteen of those cases are in Tulare County. Here's why it matters.

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 ...

Highly pathogenic avian influenza, commonly called bird flu, has been spreading faster among poultry in the European Union ...

Almost from the beginning of the spread of H5N1 bird flu among farms and ranches in the U.S. earlier this year, experts and ...