Treatment | Concentration of alpha-cypermethrin (mg/m2± std dev) | ||
---|---|---|---|
 | Before washing | After washing | After hut trial |
Untreated net | - | - | 0 |
Interceptor LN unwashed | 147 ± 2 | - | 140 ± 5 |
Interceptor washed 20 times | 132 ± 4 | 41 ± 5 | 36 ± 3 |
Interceptor washed 30 times | - | 21 ± 1 | 21 ± 1 |
CTN washed 20 times | 144 ± 17 | 1.2 ± 0.4 | 1.0 ± 0.6 |