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Insecticide-treated nets provide protection against malaria to children in an area of insecticide resistance in Southern Benin

Article scientifique 2017 Anglais

Résumé

BACKGROUND: Malaria control is heavily reliant on insecticides, especially pyrethroids. Resistance of mosquitoes to insecticides may threaten the effectiveness of insecticide-based vector control and lead to a resurgence of malaria in Africa. METHODS: In 21 villages in Southern Benin with high levels of insecticide resistance, the resistance status of local vectors was measured at the same time as the prevalence of malaria infection in resident children. RESULTS: Children who used LLINs had lower levels of malaria infection [odds ratio = 0.76 (95% CI 0.59, 0.98, p = 0.033)]. There was no evidence that the effectiveness of nets was different in high and low resistance locations (p = 0.513). There was no association between village level resistance and village level malaria prevalence (p = 0.999). CONCLUSIONS: LLINs continue to offer individual protection against malaria infection in an area of high resistance. Insecticide resistance is not a reason to stop efforts to increase coverage of LLINs in Africa.

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Bradley, J., Ogouyèmi-Hounto, A., Cornélie, S., Fassinou, J., Tové, Y., Adéothy, A., Tokponnon, F., Makoutodé, P., Adéchoubou, A., Legba, T., Houansou, T., Kinde-Gazard, D., Akogbéto, M., Massougbodji, A., Knox, T., Donnelly, M., Kleinschmidt, I. (2017). Insecticide-treated nets provide protection against malaria to children in an area of insecticide resistance in Southern Benin. https://doi.org/10.1186/s12936-017-1873-1

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Auteur(s)

John Bradley Aurore Ogouyèmi-Hounto Sylvie Cornélie Jacob Fassinou Yolande Sissinto Savi de Tové Adicath Adéola Adéothy Filémon Tokponnon Patrick Makoutodé Alioun Adéchoubou Thibaut Legba Télesphore Houansou Dorothée Kinde-Gazard Martin Akogbéto Achille Massougbodji Tessa Knox Martin J. Donnelly Immo Kleinschmidt

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