Open Access

Table 1

Mortality rate of Anopheles gambiae s.l. from Yaoundé exposed to certain insecticides.

An. coluzzii resistant strain
Field An. gambiae s.l.
An. coluzzii Ngousso strain
An. gambiae Kisumu strain
  N %Mortality [95% CI] N %Mortality [95% CI] N %Mortality [95% CI] N %Mortality [95% CI]
Permethrin 100 8 [3.5 – 15.8] 156 26.9 [19.4 – 36.4] 100 100 [81.4 – 121.6] 100 100 [81.4 – 121.6]
Deltamethrin 100 35 [24.4 – 48.7] 258 50.8 [42.5 – 60.3] 100 100 [81.4 – 121.6] 100 100 [81.4 – 121.6]
DDT 120 4.16 [1.4 – 9.7] 100 98 [79.6 – 119.4] 100 99 [80.5 – 120]
Propoxur 120 3.33 [0.9 – 8.5] 100 100 [81.4 – 121.6] 100 100 [81.4 – 121.6]
Bendiocarb 100 86 [68.8 – 106.2] 100 100 [81.4 – 121.6] 100 100 [81.4 – 121.6]
Malathion 120 100 [82.9 – 119.6] 100 100 [81.4 – 121.6] 100 100 [81.4 – 121.6]
Fenitrothion 120 100 [82.9 – 119.6]
PBO Deltamethrin 120 71.66 [57.3 – 88.5]
PBO Permethrin 100 35.0 [24.4 – 48.7]

N: number of mosquitoes tested; 95% CI: 95% confidence interval.

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