Fig. 2From: Temporal genetic changes in Plasmodium vivax apical membrane antigen 1 over 19 years of transmission in southern MexicoTemporal genetic changes for P. vivax ama1 I-II in southern Mexico from 1993 to 2011. a Nucleotide diversity (π) and genetic diversity (θ). b Linkage disequilibrium given by R2. c Natural selection by dN-dS values. d Annual incidence of malaria according to confirmed cases in the 1993–2011 period within Jurisdiction VII of ChiapasBack to article page