Fig. 1From: Large-scale (Phase III) evaluation of broflanilide 50WP (VECTRON™ T500) for indoor residual spraying for malaria vector control in Northeast Tanzania: study protocol for a two-arm, non-inferiority, cluster-randomised community trialStudy area A location of Muheza District in Northeast Tanzania; B proposed clusters in Muheza District. The maps of Tanzania and Muheza district were produced using QGIS 3.22 software [44] and overlaid on Google Earth satellite images by the study investigator (NJM). Using QGIS 3.22 software [44], a one kilometre transect from the mid-point to the perimeter of each village was digitized to produce the shape files for the clusters in the Muheza mapBack to article page