Volume 30, Number 8—August 2024
Online Report
Proposal for a Global Classification and Nomenclature System for A/H9 Influenza Viruses
Figure 4
![Pilot maximum-likelihood phylogenetic tree of the A/H9 influenza virus gene sequences obtained by using the representative dataset (Appendix 3) for the B lineage provided as part of a proposed global classification and nomenclature system for A/H9 influenza viruses. Each clade is represented by >3 sequences, each labeled and colored according to the clade of belonging. Ultrafast-bootstrap supports >80% are indicated next to nodes. Scale bar indicates substitutions per site.](/eid/images/23-1176-F4.jpg)
Figure 4. Pilot maximum-likelihood phylogenetic tree of the A/H9 influenza virus gene sequences obtained by using the representative dataset (Appendix 3) for the B lineage provided as part of a proposed global classification and nomenclature system for A/H9 influenza viruses. Each clade is represented by >3 sequences, each labeled and colored according to the clade of belonging. Ultrafast-bootstrap supports >80% are indicated next to nodes. Scale bar indicates substitutions per site.
1These first authors contributed equally to this article.
2Members of The International H9 Evolution Consortium are listed at the end of this article.
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Page updated: July 22, 2024
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