Figure 1From: Effect of malaria transmission reduction by insecticide-treated bed nets (ITNs) on the genetic diversity of Plasmodium falciparum merozoite surface protein (MSP-1) and circumsporozoite (CSP) in western KenyaThe frequency of MSP - 1 19 - kDa haplotypes at baseline (1996) and following 5Â years of community-wide ITN use (2001). * Indicates the haplotype sequence corresponding to the 3D7 P. falciparum strain.Back to article page