Epidemiological review of the Onchocerciasis in Latin America

The onchocerciasis is a disease that affects only human beings. It is characterized by itching, skin lesions and ocular damage which can lead to blindness. The endemic areas are limited to zones with optimum latitude, temperature and humidity for the development of the parasite and vector insect. Those zones are found in West Africa, Yemen and some Latin America countries, with Mexico among them. The parasite is transmitted through the bite of a blackfly of the genus Simulium, which inoculates parasite larvae while feeding with blood. The Onchocerciasis Elimination Program of the Americas (o e p a) was created in order to eliminate onchocerciasis as a public health problem. Its strategy is by means of administrating ivermectina and nodulectom