There are about three trillion trees on our planet — about four hundred for each of us. And we literally couldn't live without them. They take in millions of tons of carbon dioxide each year, and ...

So far there’s been only one reported human case of bird flu in Texas this year in April and 46 total in the U.S., according ...

A hospitalized Canadian teen has health officials in both Canada and the U.S. expressing warnings over bird flu cases.

A teenager in British Columbia has become the first person in Canada to test positive for the deadly H5N1 bird flu. Health ...

Canadian officials have announced that a teenager in British Columbia has been hospitalized in critical condition with what is believed to be bird flu.

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

With 46 U.S. cases and alarming signs of the virus crossing species, experts warn of unpredictable risks if human-to-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 Canadian teen who is in critical condition after contracting H5N1 bird flu was infected with a version of the virus that is different from the one circulating in U.S. cattle.

Cases of H5N1 bird flu in U.S. dairy and poultry workers have largely been mild. However, a new case in a British Columbia ...

Initial testing had indicated the teenager’s infection was from bird flu and was confirmed in further testing, the Public ...

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