Table 3.
Kdr genotypic and allelic frequencies across the clusters, mosquito collection methods, species, and year in mosquito samples collected from Teso North and Teso South subcounties, Busia County, Western Kenya.
| Cluster | n | SS genotypic frequency | LS genotypic frequency | LL genotypic frequency | S allelic frequency | L allelic frequency |
|---|---|---|---|---|---|---|
| Proportions % | Proportions % | Proportions % | ||||
| Kaliwa | 223 | 91.5 | 2.7 | 5.8 | 0.93 | 0.07 |
| Odioi | 424 | 76.9 | 4.7 | 18.4 | 0.79 | 0.21 |
| Akiriamasit | 216 | 76.9 | 13.9 | 9.2 | 0.84 | 0.16 |
| Kengatunyi | 85 | 57.6 | 7.1 | 35.3 | 0.61 | 0.39 |
| Rwatama | 148 | 93.9 | 3.4 | 2.7 | 0.95 | 0.05 |
|
| ||||||
| Mean | 219.2 | 79.4 | 6.9 | 13.7 | 0.82 | 0.18 |
|
| ||||||
| Teso North | 449 | 78.6 | 9.4 | 12.0 | 0.83 | 0.17 |
| Teso South | 647 | 82.0 | 4.0 | 14.0 | 0.84 | 0.16 |
| Collection method | ||||||
|
| ||||||
| Larval collections | 556 | 80.6 | 6.1 | 13.3 | 0.84 | 0.16 |
| PSC | 9 | 100 | 0 | 0 | 1.0 | 0 |
| WET | 348 | 79.0 | 4.0 | 17.0 | 0.81 | 0.19 |
| OC | — | — | — | — | — | — |
| HLC | 183 | 83.0 | 10.4 | 6.6 | 0.88 | 0.12 |
| Species | ||||||
|
| ||||||
| Anopheles gambiae s.s. | 868 | 81 | 5.2 | 13.8 | 0.84 | 0.16 |
| Anopheles arabiensis | 228 | 80.6 | 6.2 | 13.2 | 0.84 | 0.16 |
| Anopheles funestus | — | — | — | — | — | — |
| Year | ||||||
|
| ||||||
| 2012 | 106 | 66 | 5.7 | 28.3 | 0.69 | 0.31 |
| 2013 | 230 | 83.9 | 7.0 | 9.1 | 0.87 | 0.13 |
| 2014 | 760 | 81.6 | 6.1 | 12.3 | 0.85 | 0.15 |