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 local infectious disease specialist explained Thursday that many different types of parasites can enter and live in the brain. "But the good news is, most of the time this happens ... people are ...

A common parasite long thought to lie dormant is actually much more active and complex. Researchers found that Toxoplasma gondii cysts contain multiple parasite subtypes, not just one sleeping form.

When people think about parasites, the idea of these tiny, wormy creatures often surfaces fear or disgust. That’s not totally unfounded, said Dr. Chelsea Wood, an ecologist at the University of ...