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Volume 18, Number 9—September 2012
Dispatch

Multiple-Insecticide Resistance in Anopheles gambiae Mosquitoes, Southern Côte d’Ivoire

Constant V.A. Edi, Benjamin G. Koudou, Christopher M. Jones, David Weetman, and Hilary RansonComments to Author 
Author affiliations: Liverpool School of Tropical Medicine, Liverpool, UK (C.V.A. Edi, B.G. Koudou, C.M. Jones, D. Weetman, H. Ranson); Centre Suisse de Recherches Scientifiques en Côte d’Ivoire, Abidjan, Côte d’Ivoire (C.V.A. Edi, B.G. Koudou); and Université d’Abobo-Adjamé, Abidjan (B.G. Koudou)

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Table 1

Prevalence of insecticide resistance in Anopheles gambiae mosquitoes, M form, from Tiassalé, Côte d’Ivoire, 2011

Insecticide No. tested* No. dead % Dead (95% CI)
Permethrin 288 69 24.0 (19.1–29.3)
Deltamethrin 282 90 31.9 (26.5–37.7)
DDT 306 25 8.2 (5.4–11.8)
Fenitrothion 296 219 74.0 (68.6–78.9)
Bendiocarb 299 37 12.4 (8.9–16.6)

*Measured by death within 24 h, after 1h exposure to each insecticide. All mosquitoes were resistant according to World Health Organization classification (<80% dead) (7).

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