Control (4) Onchocerciasis (4) Protection (4) Monitoring (3) surveillance (2) parasite (2) onchocercose (2) insecticide (2) maladie (2) Ouest (2) Development (2) Onchocerca volvulus (2) Protection (2) Wrestling (2) Valleys (2) Ribs (2) Public health (2) Possibility (2) Ivory (2) Ivermectin (2) Human ecology--Study and teaching (2) Example (2) Communal living (2) Collective settlements (2) Transmission (2) Comunidades (2) Oncocercosis (2) Lucha libre (2) Posibilidad (2) Écosystème (2)