"To date, human-to-human spread of H5 bird flu has not been identified in the United States," the agency added. "CDC believes the immediate risk to the general public from H5N1 bird flu remains low, but people with exposure to infected animals are at ...

A Canadian teenager is hospitalized in critical condition with suspected bird flu, health officials reported Tuesday.

In what is believed to be Canada's first human case of bird flu, a teenager is in a British Columbia children's hospital in critical condition with a presumptive case of the virus, the CBC reports. Authorities say the unnamed teen developed symptoms Nov.