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Volume 9, Number 11—November 2003
Research

Genetic Variation among Temporally and Geographically Distinct West Nile Virus Isolates, United States, 2001, 2002

C. Todd Davis*†, David W.C. Beasley*†, Hilda Guzman*†, Pushker Raj‡, Mary D’Anton‡, Robert J. Novak§, Thomas R. Unnasch¶, Robert B. Tesh*†, and Alan D.T. Barrett*†Comments to Author 
Author affiliations: *Center for Biodefense and Emerging Diseases, Galveston, Texas, USA; †University of Texas Medical Branch, Galveston, Texas, USA; ‡Texas Department of Health-Rabies/Arbovirus Section, Austin, Texas, USA; §Illinois Natural History Survey, Champaign, Illinois, USA; ¶University of Alabama at Birmingham, Birmingham, Alabama, USA

Main Article

Figure 2

Phylogram based on maximum parsimony analysis comparing a 2,004-nucleotide sequence of WN-NY99 (GenBank accession no. AF196835) with 22 West Nile virus asolates collected during 2001 and 2002.

Figure 2. . Phylogram based on maximum parsimony analysis comparing a 2,004-nucleotide sequence of WN-NY99 (GenBank accession no. AF196835) with 22 West Nile virus asolates collected during 2001 and 2002.

Main Article

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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.
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