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Article: Phylogenetic analysis of West Nile virus, Nuevo Leon State, Mexico.(Dispatches)
- Article from:
- Emerging Infectious Diseases
- Article date:
- July 1, 2004
- Author:
CopyrightCOPYRIGHT 2004 U.S. National Center for Infectious Diseases. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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West Nile virus RNA was detected in brain tissue from a horse that died in June 2003 in Nuevo Leon State, Mexico. Nueleotide sequencing and phylogenetic analysis of the premembrane and envelope genes showed that the virus was most closely related to West Nile virus isolates collected in Texas in 2002.
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West Nile virus (WNV), a mosquitoborne virus in the genus Flavivirus (family Flaviviridae), was first recognized in the Western Hemisphere during an outbreak in New York in 1999 (1). WNV rapidly disseminated across North America, and its geographic range now encompasses 47 of the 48 contiguous United States (2), 7 Canadian provinces (3), and ...