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Unrooted maximum likelihood tree based on 1650 bp of the PCV2 capsid + concatenated replicase genes. The red arrow shows approximately the phylogenetic position of the sequence that was recovered in Rancangua in 2007. The genotype classification (a, b, c, and d) follows Franzo et al. (2015) [37] (Supplementary Material, Table S1). In red, the bootstrap values based on 1000 replicates are indicated for the main internal branches.
