A life-threatening disease transmitted by bugs that bite humans’ faces is now endemic in the U.S., the Centers for Disease Control and Prevention has warned. Experts say that Chagas disease, also ...

Brain parasite cysts contain multiple active forms, not dormant cells, explaining treatment resistance and reactivation patterns.

Three types of parasites can cause disease in humans. They are protozoa, carried by mosquitos, helminths, such as roundworm, and ectoparasites, for instance lice and bed bugs. Parasites are organisms ...

A human case of the flesh-eating New World Screwworm has been found in the United States in a person who traveled to El Salvador. The parasitic insect is actually a fly that looks similar to a ...