With 46 U.S. cases and alarming signs of the virus crossing species, experts warn of unpredictable risks if human-to-human ...

A teenager has been left in critical condition after contracting the first presumptive human case of avian influenza in ...

The first human case of H5N1 bird flu has been discovered in Fresno County. The county’s first case came from someone who had ...

Although activity is still considered minimal, cases have ticked up a notch compared to the week before. One business owner ...

A teenager in Canada is critically ill with the country's first human case of H5N1 bird flu. Health officials aren't sure how ...

There have been dozens of confirmed human cases of bird flu in the U.S. this year. Experts discuss the symptoms, risks and ...

British Columbia health officials have yet to identify a likely source of the infection, though none of the teen's contacts ...

Woodland Park Zoo is ramping up safety measures after a red-breasted goose died in what is the zoo’s first suspected case of ...

FRESNO COUNTY, Calif. (KFSN) -- Health officials have confirmed the first case of Bird Flu in Fresno County. The video above ...

The first presumed human case of avian influenza (H5N1, or bird flu) has been reported in Canada. An infectious disease ...

A Canadian teenager infected with bird flu — that country’s first case involving a locally acquired infection — is in ...

It's not clear how the British Columbia teenager picked up the virus, which has been detected recently in wild birds and ...