New World screwworm was largely eradicated from the U.S. and Central America in the 1960s and 1980s, respectively. But the ...

There are parasites all over the world that can infect humans. Some of them are easy to avoid, but others are more common ...

A Thelazia infection, called Thelaziasis, can “cause mild to severe signs and lesions, such as foreign body sensation, ...

In a rare medical case, parasitic worms grew underneath a woman's upper eyelid.

Human botfly larvae, for example, burrow under your skin, forming a pus-filled pimple. Meanwhile, thousands of young Loa loa worms can travel throughout your body —even across your eyeball!