Some viruses mutate more rapidly than others. Learn more about why that is and what that means for your health.

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 ...

2025 is off to *** rocky start, with flu rates surging across America to the highest point they've been in 15 years. And while having the flu can be as easy as *** few days of sniffles and aches, it ...

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 ...