Parasite, zombie, leech—these words are often used to describe people in unkind ways. Many of us recoil when ticks, tapeworms ...

The oval-shaped body belongs to a marine flatworm, a group of invertebrates that can range in color from see-through to neon and seemingly glide along the bottom with hairlike protrusions all over ...

Schistosomiasis is caused by Schistosoma mansoni, a water-borne parasitic flatworm that can burrow into the skin, move through the bloodstream, and establish itself in the intestines. There it ...