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Volume 18, Number 7—July 2012


Loss of Household Protection from Use of Insecticide-Treated Nets against Pyrethroid-Resistant Mosquitoes, Benin

Alex Asidi, Raphael N’Guessan, Martin Akogbeto, Chris Curtis1, and Mark RowlandComments to Author 
Author affiliations: London School of Hygiene & Tropical Medicine, London, UK (A. Asidi, R. N’Guessan, C. Curtis, M. Rowland); and; Centre de Recherche Entomologique de Cotonou, Cotonou, Benin (A. Asidi, R. N’Guessan, M. Akogbeto)

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Table 3

Characteristics of Anopheles gambiae s.l. mosquitoes collected from study households in southern and northern Benin, 2008*

Location, mosquito resistance Species
Molecular form of An. gambiae
kdr genotype
kdr frequency
An. arabiensis An. gambiae M S SS RS RR
Northern, susceptible 5 30 27 3 28 5 1 0.10
Southern, resistance 0 60 56 4 10 3 45 0.80

*Values are no. mosquitoes except as indicated.

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