The reinvasion of the onchocerciasis control programme area in the Volta River Basin by Simulium damnosum S.L., the involvement of the different cytospecies and epidemiological implications.
D000354:Africa, Western; D004175:Diptera / Q000469:parasitology*; D006801:Humans; D009855:Onchocerciasis / Q000453:epidemiology / Q000469:parasitology / Q000517:prevention & control* / Q000635:transmission