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Figure 2 | Veterinary Research

Figure 2

From: Different evolutionary trends of swine H1N2 influenza viruses in Italy compared to European viruses

Figure 2

Maximum clade credibility phylogeny and timing for the NA gene. Phylogeny was estimated using the models reported in FigureĀ 1. H1N2 strains are colored according to the phylogenetic classification of the HA gene. The most interesting internal nodes, which reconstructed common ancestors with 95% credibility intervals, are reported. Numbers 1, 4 and 5 refer to the reassortment events described in FigureĀ 3. For each node posterior probability is reported.

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