Fig. 8From: Incremental impact upon malaria transmission of supplementing pyrethroid-impregnated long-lasting insecticidal nets with indoor residual spraying using pyrethroids or the organophosphate, pirimiphos methylMean exposure of humans to Anopheles funestus bites when they are indoors or outdoors where πi is the average proportion of human exposure to bites of the Anopheles funestus which occurs indoors in the absence of any protective measure, πs is the average proportion of human exposure to bites of the Anopheles funestus population which occurs indoors when individuals are asleep in the absence of any protective measure, and πi,n is the average proportion of residual human exposure for users of net which occurs indoors, calculated exactly as previously described [39]Back to article page