Figure 4From: Multiple origins of resistance-conferring mutations in Plasmodium vivax dihydrofolate reductaseDistribution of P. vivax dhfr alleles by region. Note that indels are not considered. Isolates from Papua New Guinea and Vanuatu are excluded because they were included in this study specifically because they carry highly mutant dhfr alleles; isolates obtained from MR4 were also excluded.Back to article page