Épidémiologie de la bilharziose urinaire et des géohelminthiases chez les jeunes scolaires des zones lacustres de la commune de So-Ava, sud-Bénin

Abstract : Objective: In the tropics, infections by Schistosoma haematobium and soil-transmitted helminths species are widespread and Republic of Benin is no exception. This study aims to assess the epidemiological status of urogenital schistosomiasis and soil-transmitted helminths in schoolchildren of Sô-Ava town in the Department of Atlantic in Southern Benin. Methodology and Results: The biological material was composed of urine and stool collected from from Public Primary Schools in Sôchanhoué, Sôtchanhoué Quarter and Sô-Zounko between April to August 2012 . Six hundred and four urine samples were examined by filtration technique and 363 stool samples were examined by Kato-Katz test. Malacological surveys were conducted to assess the diversity of freshwater snails and determine the snail species involved in the transmission of schistosomiasis. The results showed infection rates of S. haematobium of 22.22% (N = 153), 21.43% (N = 182) and 46.47% (N = 269) in the three prospected sites, respectively, with an overall infection rate of 32.78% (N = 604) with as many boys as girls infected and children 7 to 8 years of age the most affected. Three species of soiltransmitted helminths were found with an overall prevalence of 12.12% (N = 44) of people infected with at least one of the three parasites Ascaris lumbricoides, Trichuris trichiura or Enterobius vermicularis. The results showed that the parasite densities of S. haematobium and soil-transmitted helminths were the greatest in children aged 7 to 8 years, especially boys. Three species of freshwater snails known as intermediate hosts for schistosomes were collected: Bulinus forskalii, B. globosus and B. truncatus. Conclusion: This study was used to assess the level of endemicity of urinary schistosomiasis and soiltransmitted helminths in human populations of the Nokoue Lake area and allows considering the appropriate means of controlling these parasites.
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Moudachirou Ibikounlé, Judith Satoguina, Rufine Fachinan,, Léonidas Tokplonou, Wilfrid Batcho, et al.. Épidémiologie de la bilharziose urinaire et des géohelminthiases chez les jeunes scolaires des zones lacustres de la commune de So-Ava, sud-Bénin. Journal of applied biosciences, Elewa, 2013, 70, pp.5632-5639. ⟨10.4314/jab.v70i1.98805 ⟩. ⟨hal-01495092⟩

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