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Overlap between selected Loa loa, onchocerciasis, and malaria-endemic areas in Africa. (A) Estimated prevalence of L. loa eye worm, (B) estimated prevalence of palpable Onchocerca nodules in the 20 African Programme for Onchocerciasis Control countries in 2011, and (C) Plasmodium falciparum parasite rate in 2–10-years-old children in 2015.
