A teenager in British Columbia has become the first person in Canada to test positive for bird flu, authorities said Saturday ...

A teenager has been hospitalised with bird flu in Canada, in the first suspected case to be found in the country ...

A new CDC study suggests that cases of H5N1 bird flu in humans working with dairy cows may be ... took blood samples and ...

Federal health officials on Thursday called for more testing of employees on farms with bird flu after a new study showed ...

Experts warn of potential risks as bird flu spreads in livestock and farm environments. LOS ANGELES - In a significant move, ...

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

A new study revealed more farmworkers had signs of infection, even though they reportedly did not display symptoms of illness.

That may be because avian influenza is infecting California cows that have already struggled through a very hot summer. Or perhaps California cattle are infected with a particularly virulent strain.