Table 2.
Number of An. gambiae landing and mosquito bites received through insecticide treated material
|
Number of washes |
Landing |
Biting |
Permethrin (mg/m
2
) |
Permethrin reduction (%) |
||||
|---|---|---|---|---|---|---|---|---|
| Control | Treatment | PE | Control | Treatment | PE | |||
| 0 |
38 |
8 |
78.95 |
7 |
0 |
100.00 |
2154.0 |
- |
| 5 |
40 |
10 |
75.00 |
8 |
0 |
100.00 |
1248.9 |
42.0 |
| 10 |
34 |
20 |
41.18 |
6 |
0 |
100.00 |
728.0 |
66.2 |
| 15 |
36 |
22 |
38.89 |
7 |
0 |
100.00 |
639.8 |
70.3 |
| 20 | 40 | 27 | 32.50 | 5 | 0 | 100.00 | 563.4 | 73.8 |
PE = protective efficacy, after 0, 5, 10, 15 and 20 washes along with the quantity of permethrin in the material determined by HPLC analysis.