Objective. To evaluate the efficacy of a multifaceted intervention to prevent the transmission
of Leishmania in the endemic focus of Tumaco, on the Pacific Coast of Colombia. Materials
and methods. A group-randomized trial was conducted. Twenty villages were matched
according to prevalence of Leishmania infection, number of inhabitants and level of
community participation, and then randomly assigned to intervention or control. The
intervention included deltamethrin-impregnated bednets, repellent (20% diethyltoluamide …