River Blindness Life Cycle

Life cycle the life of the parasite can be traced through the black fly and the human hosts in the following steps.
River blindness life cycle. Within the human body the. Our research network is based on more than 30 years of successful partnership of research institutes in germany and our partners based in cameroon. River blindness is also known as onchocerciasis and it is an infectious disease caused by onchocerca volvulus which is transmitted by black fly of the genus similium example is simulium damnosum which is the vector. Life cycle during a blood meal an infected blackfly genus simulium introduces third stage filarial larvae onto the skin of the human host where they penetrate into the bite wound.
In subcutaneous tissues the larvae develop into adult filariae which commonly reside in nodules in subcutaneous connective tissues. This disease is an important cause of blindness in africa and its ocular features include sclerosing keratitis uveitis chorioretinitis and optic neuritis invariably ending in. World health organisation animated video explaining the parasitic life cycle of onchocerciasis in humans. Introduction introduction programme onchocercoses is funded by the deutsche forschungsgemeinschaft german research fund.