Figure 1: Phylogenetic tree of H3N2 virus PB2. | Nature Communications

Figure 1: Phylogenetic tree of H3N2 virus PB2.

From: The K526R substitution in viral protein PB2 enhances the effects of E627K on influenza virus replication

Figure 1

The PB2 tree was constructed using the neighbour-joining method with the Poisson model of amino-acid substitution; the reliability of the phylogenetic tree was determined by bootstrap analysis using 1,000 replicates. All sequences were obtained from Genbank. Viruses in red represent vaccine strains recommended by the World Health Organization.

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