Fig. 1From: Estimating malaria transmission risk through surveillance of human–vector interactions in northern GhanaThe study was conducted in northern Ghana in IRS (light-blue shading) and unsprayed (no shading) districts. Human and vector behavior observations were collected from two IRS communities (red symbols) in Kumbungu district and two control communities (green symbols) in Tamale Metropolitan District. IRS, Indoor residual spraying; ITN, insecticide-treated netBack to article page