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Phylogenetic analysis of RVC VP4. (A) Phylogenetic tree constructed using 70 RVC VP4 nucleotide sequences. (B) Phylogenetic tree constructed using 70 RVC VP4 protein sequences. Corresponding P-types (Suzuki et al., 2015) are shown in parenthesis. P-types that differ from the previously published P-types are indicated with asterisks. Bootstrap values corresponding to the main nodes in both trees are shown.
