The avian flu virus isolated from a hospitalized teenager in Vancouver has mutations in key areas that could help the virus spread more easily in humans, scientists say. There is no indication ...

A 13-year-old girl in British Columbia who was hospitalized with bird flu for several weeks late last year harbored a mutated ... the Canadian girl was infected, but the version of the virus ...

Over the past three years, avian influenza (H5N1) has spread around the U.S. and affected many species of birds and mammals, including humans. Experts at a recent webinar offered answers to common ...

Health Secretary Robert F. Kennedy Jr. has repeatedly questioned the safety of mRNA technology, which is used in the ...