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Phylogenetic analysis of deer/bopivirus (in red) and representative member of family Picornaviridae based on complete polyprotein aa sequences. A highlighted box denotes members of the genus Bopivirus. The tree was generated by the maximum-likelihood method based on LG + G substitution model with 1000 bootstrap replicates, and the statistics values > 70% are displayed above the tree branches. The scale bar indicates amino acid substitutions per site.
