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

A teenager in British Columbia was hospitalized in critical condition with the disease, and officials were working to find ...

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

known as bird flu. "The less room we give this virus to run, the fewer chances it has to cause harm or to change," Shah said.

Since the first positive test this summer, the state of California has seen 22 confirmed cases of bird flu in humans.

The first case of bird flu being found in a pig in the U.S. comes on the heels of at least eight workers at a Franklin County, Washington commercial egg farm testing positive for avian influenza ...

Merced County has seen its first case of H5N1 bird flu, according to the Merced County Department of Public Health. The county said that the infected individual had direct contact with cattle at a ...

As a comparison, the rest of the U.S. has a total of two confirmed bird flu cases in livestock herds, both in Idaho. There are now 16 human cases of bird flu in California, according to the Oct ...

The CDC study provides the largest window to date into how the bird virus first detected in March in dairy cows may be ...

Even as cases of H5N1 virus among animals and people are rising in the U.S., there's no evidence of human-to-human transmission. NBC Universal, Inc. The bird flu virus hasn’t yet spread from ...