Onchocerciasis (Onchocerca volvulus)
From MicrobeWiki, the student-edited microbiology resource
University of Oklahoma Study Abroad Microbiology in Arezzo, Italy[1]
![](/images/5/5c/Adultvolvulus.jpeg)
Picture of Adult Onchocerca volvulus worms from the World Health Organization. http://www.who.int/apoc/media/adult_worms.JPG
Etiology/Bacteriology
Taxonomy
| Domain = Animalia | Phylum = Nematoda | Class = Secernentea | Order = Spirurida | Family = Onchocecidae | Genus = Onchocerca | species = O. volvulus
Description
Pathogenesis
![](/images/thumb/6/6f/FeedingSimuliumFly.jpeg/350px-FeedingSimuliumFly.jpeg)
A known vector of Onchocerca volvulus the Simulium Blackfly feeds on a human. Courtesy of WHO via the Natural History Museum. http://www.nhm.ac.uk/nature-online/species-of-the-day/scientific-advances/disease/simulium-yahense/index.html
Clinical Features
Diagnosis
Treatment
Prevention
![](/images/thumb/f/fe/Walkingblind.jpeg/250px-Walkingblind.jpeg)
Children lead men affected by Onchocerciasis. Published in the Atlas of Tropical and Extraordinary Diseases via the National Museum of Health and Medicine. https://www.flickr.com/photos/medicalmuseum/3969963699/in/album-72157622366709345/