Emerging Infectious Disease ISSN: 1080-6059

Invasions by Eurasian Avian Influenza Virus H6 Genes and Replacement of Its North American Clade

Heinrich zu Dohna¹

, Jinling Li¹, Carol J. Cardona, Joy Miller, and Tim E. Carpenter

Author affiliations: University of California School of Veterinary Medicine, Davis, California, USA (H. zu Dohna, J. Li, C.J. Cardona, T.E. Carpenter); National Center for Medical Intelligence, Fort Detrick, Maryland, USA (J. Miller);

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Figure 2

Eurasian clade of the phylogenetic tree for all full-length H6 sequences of avian influenza virus (excluding multiple sequences of the same isolate). Black branches indicate isolates from North America, and gray branches indicate isolates from Eurasia. The 7 subclades that invaded North America and their closest Eurasian related clade and bootstrap values are shown on the right. Abbreviations for strain names are listed in the Technical Appendix Table.

Figure 2. Eurasian clade of the phylogenetic tree for all full-length H6 sequences of avian influenza virus (excluding multiple sequences of the same isolate). Black branches indicate isolates from North America, and gray branches indicate isolates from Eurasia. The 7 subclades that invaded North America and their closest Eurasian related clade and bootstrap values are shown on the right. Abbreviations for strain names are listed in the Technical Appendix Table.

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¹These authors contributed equally to this article.

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