Fig. 1From: Indoor residual spray bio-efficacy and residual activity of a clothianidin-based formulation (SumiShield® 50WG) provides long persistence on various wall surfaces for malaria control in the Democratic Republic of the CongoExperimental walls (approximately 0.5 m2) showing left to right surfaces of cement, painted cement, and unbaked clay (baked clay surface not shown)Back to article page