Across the world, only a few dozen people appear to carry a genetic glitch that lets them brush off viruses that flatten ...

Researchers are edging closer to a universal antiviral drug, a single medicine that could treat every virus known to man.

As the seasonal flu picks up, there are even more opportunities for the bird flu to acquire mutations as the different influenza viruses mix. A 13-year-old girl in British Columbia who was ...

A 13-year-old girl in British Columbia who was hospitalized with bird flu for several weeks late last year harbored a mutated version of the virus, according to a report published this week in the New ...