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!

An office worker in Beijing developed a parasitic infection that caused worms to grow under her right eyelid ... parasitic disease called thelaziasis. Humans can also catch thelaziasis, but ...

Nobel Prize-winning peacemaker Jimmy Carter spent nearly four decades waging war to eliminate an ancient parasite plaguing the world’s poorest people.