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Article Dans Une Revue PLoS Neglected Tropical Diseases Année : 2018

Results of the first mapping of soil-transmitted helminths in Benin: Evidence of countrywide hookworm predominance

Résumé

Background National mapping of soil-transmitted helminth infections (STH) was conducted for the first time in all of the 77 districts of Benin (West Africa) from 2013 to 2015. This mapping aimed to provide basic epidemiological data essential for the implementation of the national strategy against the neglected tropical diseases (NTDs) in the context of achieving the WHO target of controlling these infections by 2020. Methods In each district, 5 schools were purposively selected in 5 villages and 50 school-children (25 girls and 25 boys) from ages 8 to 14 years were randomly enrolled in each school. In total, 19,250 stool samples of school children (9,625 girls and 9,625 boys) from 385 schools were examined by Kato-Katz technique. Results The three major species of STH (hookworm, Ascaris lumbricoides and Trichuris trichiura) were observed with intra-and inter-specific variations in the prevalence and the intensity of these parasites. Hookworm infection was present in all of the surveyed districts with an average prevalence of 17.14% (95% CI 16.6%-17.6%). Among the infected schoolchildren, at national level, 90.82%, 6.73% and 2.45% of infections were of light, moderate and heavy parasite intensities respectively. A. lumbricoides infection, with a national average prevalence of 5.35% (95% CI 5.00%-5.60%),was the second most prevalent STH, and 84.37%, 14.27% and 1.36% of the infections were of light, moderate and heavy parasite intensities,
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hal-04039947 , version 1 (21-03-2023)

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Moudachirou Ibikounlé, Ablavi Onzo-Aboki, Justin Doritchamou, Jean-Jacques Tougoué, Pélagie Mimonnou Boko, et al.. Results of the first mapping of soil-transmitted helminths in Benin: Evidence of countrywide hookworm predominance. PLoS Neglected Tropical Diseases, In press, 12 (3), pp.e0006241. ⟨10.1371/journal.pntd.0006241⟩. ⟨hal-04039947⟩
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