Dracunculiasis

Definition

Dracunculiasis is a parasitic infection caused by the nematode Dracunculus medinensis, commonly known as the Guinea worm. It primarily affects individuals in rural, impoverished regions with limited access to clean drinking water.

5 Must Know Facts For Your Next Test

1. The life cycle of the Guinea worm involves humans and copepods (water fleas).
2. Infection occurs when people drink water contaminated with copepods harboring infective larvae.
3. Symptoms include a painful blister that forms as the adult female worm emerges from the skin.
4. The disease can be prevented by filtering drinking water and educating communities about safe water practices.
5. There is no vaccine or medication to treat dracunculiasis; treatment involves careful extraction of the worm.

Related terms

Nematode: A type of parasitic helminth that includes roundworms like Dracunculus medinensis.

Copepod: A small crustacean found in freshwater environments, which can serve as an intermediate host for certain parasites.

Helminth: A general term for parasitic worms including nematodes, cestodes, and trematodes.