The immune system’s first encounter with a virus or vaccine establishes a “starting template” that shapes its response to new ...

A skin infection has many signs that are often ignored. Here are the ones to watch out for and when to seek medical treatment ...

A cyst is a sac or cavity that may be filled with pus, semi-solid material, or air. It doesn’t usually cause pain until it gets large. An abscess is a painful, red infection that’s filled with pus. A ...

Gynecologists long viewed bacterial vaginosis as solely a women’s issue — until a study that treated their male partners, too ...

Scientists have made a discovery that helps explain why humans and animals are so susceptible to contracting tuberculosis (TB ...