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Volume 19, Number 9—September 2013

Research

Continued Evolution of West Nile Virus, Houston, Texas, USA, 2002–2012

Brian R. Mann1, Allison R. McMullen1, Daniele M. Swetnam, Vence Salvato, Martin Reyna, Hilda Guzman, Rudy Bueno, James A. Dennett, Robert B. Tesh, and Alan D.T. BarrettComments to Author 
Author affiliations: University of Texas Medical Branch, Galveston, Texas, USA (B.R. Mann, A.R. McMullen, D.M. Swetnam, H. Guzman, R.B. Tesh, A.D.T. Barrett); Harris County Public Health and Environmental Services, Houston, Texas, USA (V. Salvato, M. Reyna, R. Bueno, Jr., J.A. Dennett)

Main Article

Figure 1

Bayesian-inferred, 50% majority-rule, coalescent phylogenetic tree of published, full-length West Nile virus isolates, Harris County, Texas, USA, 2002–2012. Novel 2010–2012 Harris County isolates cluster into 4 distinct monophyletic groups designated group 7 (red), group 8 (blue), group 9 (green), and group 10 (yellow). Strain names link geographic map code (e.g., B1, B2, M1, M2) with year of collection annotated in parentheses. Isolates sequenced in this study are indicated in boldface. Posteri

Figure 1. . Bayesian-inferred, 50% majority-rule, coalescent phylogenetic tree of published, full-length West Nile virus isolates, Harris County, Texas, USA, 2002–2012. Novel 2010–2012 Harris County isolates cluster into 4 distinct monophyletic groups designated group 7 (red), group 8 (blue), group 9 (green), and group 10 (yellow). Strain names link geographic map code (e.g., B1, B2, M1, M2) with year of collection annotated in parentheses. Isolates sequenced in this study are indicated in boldface. Posterior probabilities ≥0.90 are indicated along branches to provide statistical support for inferred topologies. Scale bar indicates divergence time in years.

Main Article

1These authors contributed equally to this article.

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