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. 2022 Jul 27;14(8):1638. doi: 10.3390/v14081638

Figure 5.

Figure 5

Phylogenetic trees based on the nucleotide sequences of the gE (A), gC (B), gD (C) and gB (D) genes of PRV strains from different hosts/regions using the neighbour-joining method with a bootstrap test of 1000 replicates using MEGA 7.0 software (www.megasoftware.net; Access date: 15 April 2022). The hosts, countries, years, names and GenBank accession numbers of the reference strains employed in this phylogenetic tree are labeled. Black circles and red triangles represent vaccine strains and recombinant strains, respectively.