Figure 6From: The evolution of pyrimethamine resistant dhfr in Plasmodium falciparum of south-eastern Tanzania: comparing selection under SP alone vs SP+artesunate combinationDhfr flanking microsatellite heterozygosity. A) Kilombero-Ulanga B) Rufiji. Note: in 2006 the CNCS was already too rare to get sufficient samples.Back to article page