California health officials reported Tuesday that a child in Alameda Co. has been infected with bird flu; source unknown.

A teenager in British Columbia, Canada has been hospitalized with a presumed case of H5N1 bird flu, the first detected human ...

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

A teenager diagnosed with bird flu in British Columbia is the first domestically acquired human case of H5N1 avian influenza, ...

The source of the virus has not been determined. The teen is the first presumptive case of H5N1 bird flu in Canada.

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

H5 bird flu, a type of avian influenza, has infected dozens of people in the U.S., and spread to seven states and Canada this year. As more human cases arise, there's deepening worry over whether the ...

In 2009, H1N1 bird flu caused the first global flu pandemic in 40 years, with the first infections detected in California.

Officials suspect wild migrating birds are likely to blame for the first known infection of a flock in Hawaii, which had been the last state in the country with no reported cases in poultry or wild ...

People have been hearing a lot about H5N1 bird flu — or highly pathogenic avian influenza — since a B.C. teen became the ...