Have you ever wondered why you have to get a flu shot every year, but some vaccines are one-and-done? It all has to do with how and how fast viruses evolve - and that depends on mutation rates.

Chinese researchers have unveiled a crucial mutation in the Ebola virus that significantly enhanced its infectivity during a ...

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 ...

Chinese scientists studying the 2018–2020 Ebola outbreak in Congo found a mutation, GP-V75A, that made the virus spread faster and infect cells more efficiently. The variant replaced earlier strains ...

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 ...