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 ...

Viruses closely related to the deadly MERS coronavirus are lurking in bats and one group, known as HKU5, may be just one mutation away from making the jump to humans. A new study reveals how these ...

The flu shot works by introducing your body to antigens, which helps your immune system produce antibodies that allow your body to fight infection.

"It's the biggest experiment that's ever happened." In a stunningly short period of time, the delta variant has changed the course of the COVID-19 pandemic by evolving to become more transmissible ...

Explore how the influenza virus impacts your body and immune system. Trump Issues Strongest Warning Yet Against Russia Aaron Judge Gave Sad Quote About Losing After Blue Jays Eliminate Yankees in ALDS ...

As we enter the beginning of flu season, October is a great time to get your shot, experts agree. After you receive the flu ...