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Maximum likelihood phylogeny of PDCoVs based on the spike protein‐coding gene (a) and the nucleocapsid protein‐coding gene (b). The numbers at the nodes of the phylogenies denote the bootstrap values to which they belong (for clarity, labels of some terminal nodes were omitted). The phylogenetic trees showed that Korean PCDoV isolates in 2014 (KNU14.04) and in 2015 (SL2, SL5) were grouped within US PDCoV cluster, but they located at different branches (highlights).
