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. Author manuscript; available in PMC: 2020 Jun 16.
Published in final edited form as: Cold Spring Harb Perspect Med. 2020 Jun 1;10(6):a038588. doi: 10.1101/cshperspect.a038588

Figure 2.

Figure 2.

Global phylogenetic star tree (BEAUTi and BEAST v1.10.4) of H9 influenza A viruses (IAVs) based on the HA1 nucleotide sequence. H9 major lineages are color coded, respectively: h9.1—North American, teal; h9.1.2—South American, purple; h9.2—Y439, blue; h9.2.2—Korean, pink; h9.3—BJ94, green; h9.4.1—G1-Eastern, red; h9.4.2—G1-Western, orange.