Selection and Spread of Artemisinin-Resistant Alleles in Thailand Prior to the Global Artemisinin Resistance Containment Campaign
Fig 4
Population structure by geography.
Scatter plots from principal component analysis (PCA) based on flanking K13 microsatellite analysis of parasite isolates with the C580Y allele (A) and wild type allele (B). Results of PCA based on neutral microsatellites for parasite isolates carrying the C580Y allele, are shown in (C).