Figure 2From: NSP2 gene variation of the North American genotype of the Thai PRRSV in central ThailandPhylogenetic tree of nsp2 nucleotide sequences. The tree was constructed using the nsp2 nt 886 - 2,205 region. Neighbor-joining was applied as the tree building method. Bootstrap values based on 1,000 replications are presented as numbers.Back to article page