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Volume 17, Number 5—May 2011

Research

Evolution of New Genotype of West Nile Virus in North America

Allison R. McMullen, Fiona J. May, Li Li, Hilda Guzman, Rudy Bueno, James A. Dennett, Robert B. Tesh, and Alan D.T. BarrettComments to Author 
Author affiliations: Author affiliations: University of Texas Medical Branch, Galveston, Texas, USA (A.R. McMullen, F.J. May, L. Li, H. Guzman, R.B. Tesh, A.D.T. Barrett); Harris County Public Health and Environmental Services, Houston, Texas, USA (R. Bueno, Jr., J.A. Dennett)

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Figure 2

Maximum-likelihood phylogenetic tree showing all published, full open reading frame North American West Nile virus isolates, 2002–2009 (A), and enlargement showing SW/WN03 genotype (B). Red, isolates sequenced in this study. Scale bar in panel A indicates nucleotide substitutions per site. Numbers on the right in panel B indicate groups.

Figure 2. Maximum-likelihood phylogenetic tree showing all published, full open reading frame North American West Nile virus isolates, 2002–2009 (A), and enlargement showing SW/WN03 genotype (B). Red, isolates sequenced in this study. Scale bar in panel A indicates nucleotide substitutions per site. Numbers on the right in panel B indicate groups.

Main Article

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