Volume 22, Number 12—December 2016
Research
Effect of Live Poultry Market Interventions on Influenza A(H7N9) Virus, Guangdong, China
Figure 3

Figure 3. A) Bayesian maximum clade credibility phylogeographic tree of influenza virus polymerase protein 2 gene sequences. Branch colors represent the most probable ancestral locations of each branch, inferred from using a spatial phylogenetic model (see Materials and Methods for details). B–E) Phylogenies showing selected PB2 Guangdong third-wave clades. Empty squares indicate A(H9N2) virus sequences.
1These authors contributed equally to this article.
Page created: November 17, 2016
Page updated: November 17, 2016
Page reviewed: November 17, 2016
The conclusions, findings, and opinions expressed by authors contributing to this journal do not necessarily reflect the official position of the U.S. Department of Health and Human Services, the Public Health Service, the Centers for Disease Control and Prevention, or the authors' affiliated institutions. Use of trade names is for identification only and does not imply endorsement by any of the groups named above.