Reassessment of PRRSV-2 ORF5 sequence diversity in Japan identifies a previously unrecognized candidate lineage-level clade
Re-evaluated PRRSV-2 ORF5 sequences previously assigned to L4 in Japan using maximum-likelihood phylogenetic reconstruction and pairwise nucleotide distance analyses consistent with the global ORF5 classification framework indicate that contemporary PRRSV-2 diversity in Japan includes a lineage-level group not fully re...