Fig. 7From: What can be learned from the residual efficacy of three formulations of insecticides (pirimiphos-methyl, clothianidin and deltamethrin mixture, and clothianidin alone) in large-scale in community trial in North Benin, West Africa?Residual efficacy of the mixture clothianidine 500 g/kg + deltamethrin 62.5 g/kg on mud and cement walls. h = hour; Tr = Treated rooms; Co = control rooms not treated with insecticides; % = percentage; The red dotted line indicate the WHO efficacy threshold of 80%Back to article page