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Variation in pyrethroid resistance phenotypes in Anopheles darlingi from residual malaria transmission area: warning on suspected resistance built-up in French Guiana

Abstract : Anopheles darlingi is the major vector of malaria in South America. In French Guiana, malaria transmission occurs inland and along the rivers with a particular reemergence in the lower Oyapock area. Control against malaria vector is performed using deltamethrin indoor residual spraying and long lasting impregnated bednets. For four years, the level of resistance to pyrethroids was monitored using CDC bottle tests in An. darlingi populations. Resistance built-up was suspected in a mosquito population in malaria endemic area but did not sustained, supposably due to the reintroduction of susceptible alleles. No mutation on the insecticide target genes was found, metabolic resistance is then suspected.
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Preprints, Working Papers, ...
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https://hal.archives-ouvertes.fr/hal-03371926
Contributor : Isabelle Dusfour Connect in order to contact the contributor
Submitted on : Friday, October 15, 2021 - 10:29:21 AM
Last modification on : Thursday, November 18, 2021 - 5:04:04 PM

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2020.12.21.423491v1.full.pdf
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Distributed under a Creative Commons Attribution - NonCommercial - NoDerivatives 4.0 International License

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Samuel Vezenegho, Romuald Carinci, Jean Issaly, Christophe Nguyen, Pascal Gaborit, et al.. Variation in pyrethroid resistance phenotypes in Anopheles darlingi from residual malaria transmission area: warning on suspected resistance built-up in French Guiana. 2021. ⟨hal-03371926⟩

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