Table 2.
Frequencies of kdr alleles (and 95% confidence intervals, CIs) in S-form samples of Anopheles gambiae s.s.
State | Site | N | 1014L [95% CI] | L1014F [95% CI] | L1014S [95% CI] |
SENEGAL | Kedougou, 2001 | 39 | 85.9 [76.5–91.9] | 14.1 [8.1–23.5] | 0.0 [0.0–4.7] |
Kedougou, 2005 | 43 | 81.4 [71.9–88.2] | 18.6 [11.8–28.1] | 0.0 [0.0–4.2] | |
BURKINA FASO | Bobo Dioulasso | 24 | 2.1 [0.4–10.9] | 97.9 [89.1–99.6] | 0.0 [0.0–7.4] |
GHANA | Accra area | 25 | 22.0 [12.8–35.2] | 78.0 [64.8–87.3] | 0.0 [0.0–7.1] |
IVORY COAST | Toliak | 23 | 0.0 [0.0–7.7] | 100.0 [92.3–100.0] | 0.0 [0.0–7.7] |
BENIN | Dassa area | 48 | 40.6 [31.4–50.6] | 59.4 [49.4–68.7] | 0.0 [0.0–3.9] |
NIGERIA | Kobape, Olugbo | 49 | 83.7 [75.1–89.7] | 16.3 [10.3–24.9] | 0.0 [0.0–3.8] |
CAMEROON | Mangoum | 75 | 0.7 [0.1–3.7] | 84.0 [77.3–89.0] | 15.3 [10.4–22.0] |
Kribi | 6 | 25.0 [8.9–53.2] | 66.7 [39.1–86.2] | 8.3 [1.5–35.4] | |
Dabadi | 64 | 38.3 [30.3–46.9] | 47.7 [39.2–56.3] | 14.1 [9.1–21.1] | |
GABON | Benguia | 57 | 86.8 [79.4.-91.9] | 6.1 [3.0–12.1] | 7.0 [3.6–13.2] |
ANGOLA | Cabinda | 114 | 51.3 [44.9–57.7] | 18.0 [13.5–23.5] | 30.7 [25.1–37.0] |
Kikudo | 46 | 100.0 [96.0–100.0] | 0.0 [0.0–4.0] | 0.0 [0.0–4.0] | |
Saurimo | 15 | 100.0 [88.7–100.0] | 0.0 [0.0–11.4] | 0.0 [0.0–11.4] |
1014L = insecticide-sensitivity allele: wild type; L1014F = insecticide-resistance allele: leucine-phenylalanine substitution at position 1014 of the voltage-gated channel gene; L1014S = insecticide-resistance allele: leucine-serine substitution. See text for details