A new study links infectious mononucleosis (mono) to a threefold higher risk of multiple sclerosis.

When someone gets a bad infection, the body's immune system rushes in to fight the germs. But sometimes this defense system ...

Researchers have used a method of total-body imaging to measure and track the body’s immune response to viral infection. The method is a promising platform for studying human immunity in greater ...

Sexually transmitted diseases (STDs) typically affect the genitals, rectum and throat. These infections can involve the eyes as the result of direct contact or spread through the bloodstream. Although ...

A person from Iowa who recently returned to the United States from West Africa died Monday from a rare viral hemorrhagic fever that can be transmitted among humans through infected body fluids, state ...

Wales international Sam Davies was left unable to cook or shower, or do the most basic of tasks.

Ant colonies operate as tightly coordinated “superorganisms” with individual ants working together, much like the cells of a body, to ensure their collective health. Researchers at the Institute of ...