Article
Evolution of new genotype of West Nile virus in North America.
Emerging infectious diseases - 1 May 2011
McMullen Allison R, May Fiona J, Li Li, Guzman Hilda, Bueno Rudy, Dennett James A, Tesh Robert B, Barrett Alan D T
Abstract excerpt
Previous studies of North American isolates of West Nile virus (WNV) during 1999-2005 suggested that the virus had reached genetic homeostasis in North America. However, genomic sequencing of WNV isolates from Harris County, Texas, during 2002-2009 suggests that this is not the case. Three new genetic groups have been identified in Texas since 2005. Spread of the southwestern US genotype (SW/WN03) from the...
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