NavGeneral InfoEmail Print Original or alternative title OCP Geography Benin (BEN) Burkina Faso (BFA) Côte d'Ivoire (CIV) Ghana (GHA) Guinea (GIN) Guinea-Bissau (GNB) Mali (MLI) Niger (NER) Senegal (SEN) Sierra Leone (SLE) Togo (TGO) View all Time period covered 01/1974 - 12/2002 Data type Administrative data Keywords Onchocerciasis Citation Contributors World Health Organization (WHO) World Bank United Nations Development Programme (UNDP) Food and Agriculture Organization of the United Nations (FAO) Funders Merck & Co., Inc. Suggested citation Food and Agriculture Organization of the United Nations (FAO), United Nations Development Programme (UNDP), World Bank, World Health Organization (WHO). Onchocerciasis Control Programme. GHDx Entry last modified on: Oct 4, 2019