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. 2014 Jun;20(6):1087–1089. doi: 10.3201/eid2006.140233

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Phylogenetic tree of hemagglutin (HA) genes of influenza A(H5N8) viruses, South Korea, 2014. Triangles indicate viruses characterized in this study. Other viruses detected in South Korea are indicated in boldface. Subtypes are indicated in parentheses. A total of 72 HA gene sequences were ≥1,600 nt. Multiple sequence alignment was performed by using ClustalW (www.ebi.ac.kr/Tolls/clustalw2). The tree was constructed by using the neighbor-joining method with the Kimura 2-parameter model and MEGA version 5.2 (www.megasoftware.net/) with 1,000 bootstrap replicates. H5, hemagglutinin 5; Gs/Gd, Goose/Guangdong; LPAI, low pathogenic avian influenza; HPAI, highly pathogenic avian influenza. Scale bar indicates nucleotide substitutions per site.