Figure 9From: Different clinical, virological, serological and tissue tropism outcomes of two new and one old Belgian type 1 subtype 1 porcine reproductive and respiratory virus (PRRSV) isolates Phylogenetic analysis of complete genome nucleotide sequences of PRRSV type 1 is presented. The tree was constructed by the Neighbor Joining algorithm with Bootstrap 1000 replicates. Bootstrap values are shown in percent. 13V091 and 13V117 are highlighted in red.Back to article page