Fig. 1From: Incremental impact upon malaria transmission of supplementing pyrethroid-impregnated long-lasting insecticidal nets with indoor residual spraying using pyrethroids or the organophosphate, pirimiphos methylMap indicating location of health facilities and associated catchment populations enrolled in the study, with allocation of IRS treatments per cluster and year [a LLINs + IRS (deltamethrin WG); b LLINs + IRS (EC pirimiphos methyl or lambdacyhalothrin CS); c LLINs + IRS (EC pirimiphos methyl or CS pirimiphos methyl or lambdacyhalothrin CS); and d LLINs + IRS (EC pirimiphos methyl or lambdacyhalothrin CS)]Back to article page