The U.S. Centers for Disease Control and Prevention says a California child has become the first U.S. minor to become ...

Efforts to contain the virus are falling short. A teenager in Canada is in critical condition after an unexplained infection.

By Michele Brunoro and Kaija Jussinoja Click here for updates on this story VANCOUVER, B.C. (CTV Network) — The teenager who is infected with the first human case of H5N1 avian influenza acquired in ...

The spread of bird flu continues to trouble scientists. They say there is no indication that the U.S. has the outbreak under control. And now, a more concerning version of the virus has cropped up.

At least 19 people in Minnesota have been sickened by E. coli O157:H7 tied to a national recall of more than 167,000 pounds of potentially tainted ground beef, federal health officials said.