Volume 13, Number 2—February 2007
Research
Reduced Efficacy of Insecticide-treated Nets and Indoor Residual Spraying for Malaria Control in Pyrethroid Resistance Area, Benin
Raphael N’Guessan*, Vincent Corbel†, Martin Akogbéto‡§, and Mark Rowland
Table 3
Mortality rate of free-flying, naturally entering mosquitoes in huts, first 8 weeks of trial
| Ladji (pyrethroid-resistant Anopheles gambiae) | Malanville (pyrethroid-susceptible An. gambiae) | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| ITN | IRS | ITN | IRS | ||||||||
| Wk | No. | % Corrected mortality | No. | % Corrected mortality | No. | % Corrected mortality | No. | % Corrected mortality | |||
| 1–2 | 41 | 43.2 | 15 | 53.3 | 67 | 100 | 91 | 100 | |||
| 3–4 | 83 | 50.5 | 42 | 47.6 | 93 | 100 | 108 | 88.7 | |||
| 5–6 | 209 | 28.7 | 39 | 24.2 | 54 | 92.6 | 78 | 57.8 | |||
| 7–8 | 53 | 5.7 | 21 | 23.8 | 53 | 98.8 | 118 | 39.0 | |||
*ITN, insecticide-treated net; IRS, indoor residual spraying.
