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Temporally structured maximum-clade-credibility phylogenetic tree (years on the horizontal axis) of the hemagglutinin gene of HPAIV H5 clade 2.3.4.4 viruses. The Korean 2017 H5N8 isolate used in this study is colored in red. Branches are colored according to location. The posterior probabilities of Bayesian analysis in which the associated taxa clustered together are shown next to the branches
