Figure 2From: Nationwide assessment of insecticide susceptibility in Anopheles gambiae populations from ZimbabweKnock-down effect of different insecticides on An.gambiae s.l. mosquitoes from 13 sentinel sites in Zimbabwe. (A) KD50, (B) KD90, (C) KD50 ratio, (D) KD90 ratio. KD ratios are calculated as the ratio of KD of each insecticide at each village and the KD of the reference colony.Back to article page