It was long believed that the Dracunculus medinensis parasite, which causes guinea worm disease in humans, has a fairly simple life cycle: A person drinks water contaminated with copepods, or water ...

Add Yahoo as a preferred source to see more of our stories on Google. The difficult-to-detect meningeal worm is spread by white-tailed deer and is a notorious killer of moose. AP Photo/Jim Cole, File ...

Life cycle of Guinea worm (Dracunculus medinensis), showing transmission between humans, animals, and water sources. The diagram illustrates key pathways relevant to One Health interventions.

A group of scientists who set out to study sex pheromones in a tiny worm found that the same family of pheromones also controls a stage in the worms' life cycle, the long-lived dauer larva. The ...