Skip directly to search Skip directly to A to Z list Skip directly to site content
CDC Home

Volume 14, Number 11—November 2008


Mixture for Controlling Insecticide-Resistant Malaria Vectors

Cédric Pennetier1Comments to Author , Carlo Costantini, Vincent Corbel, Séverine Licciardi, Roch K. Dabiré, Bruno Lapied, Fabrice Chandre, and Jean-Marc Hougard
Author affiliations: Institut de Recherche pour le Développement, Cotonou, Bénin (C. Pennetier, S. Licciardi, F. Chandre, J.-M. Hougard); Institut de Recherche pour le Développement , Bobo-Dioulasso, Burkina Faso (C. Costantini); Centre de Recherche Entomologique de Cotonou, Cotonou (C. Pennetier, S. Licciardi, F. Chandre, J.-M. Hougard); Institut de Recherche en Sciences de la Santé, Bobo-Dioulasso (C. Costantini, R.K. Dabiré); Institut de Recherche pour le Développement, Montpellier, France (V. Corbel); Université d’Angers, Angers, France (B. Lapied);

Main Article

Table 2

Regression parameters (standard errors) and median and 90% effective duration of effectiveness of antimalarial vector treatments*

Treatment a b ET50, d (95% CI) ET90, d
First trial
PM+DEET 2.814 (±0.737) –0.194 (±0.039) 14.5 (11.1–16.4) 3.2
PM+KBR 5.932 (±0.628) –0.337 (±0.032) 17.6 (16.8–18.2) 11.1
2.693 (±0.656)
–0.100 (±0.033)
26.8 (22.7–42.2)
Second trial
PM+DEET 2.907 (±0.520) –0.184 (±0.030) 15.8 (13.8–17.7) 3.9
PM+KBR 1.424 (±0.657) –0.090 (±0.036) 15.9 (5.4–22.7) –8.6
Kothrin 0.136 (±0.320) –0.030 (±0.019) 4.5 (0–13.9) –68.1

*First trial run in dry season (May and June); second trial run in rainy season (September and October). a, intercept; b, slope of curve; ET50 and ET90, median and 90%, respectively, effective time of the minimal adequate regression model fitted to the experimental hut data; CI, confidence interval; PM, pirimiphos methyl; DEET, diethyl-3-methylbenzamide; KBR, hydroxyethyl isobutyl piperidine carboxylate; Kothrin, 20% deltamethrin (Bayer Crop Science, Monheim am Rhein, Germany).

Main Article

1Current affilations: Natural Resources Institute, Chatham Maritime, Kent, UK; and University of Sussex, Brighton, UK.

Top of Page The U.S. Government's Official Web PortalDepartment of Health and Human Services
Centers for Disease Control and Prevention   1600 Clifton Rd. Atlanta, GA 30333, USA
800-CDC-INFO (800-232-4636) TTY: (888) 232-6348 - Contact CDC–INFO