West Nile Virus in Mexico: Evidence of Widespread Circulation since July 2002.
José G. Estrada-Franco*, Roberto Navarro-Lopez†, David W.C. Beasley*, Lark L. Coffey*, Anne-Sophie Carrara*, Amelia Travassos da Rosa*, Tamara Clements‡, Eryu Wang*, George V. Ludwig‡, Arturo Campomanes Cortes†, Pedro Paz Ramirez†, Robert B. Tesh*, Alan D.T. Barrett*, and Scott C. Weaver*
Author affiliations: *University of Texas Medical Branch, Galveston, Texas, USA; †Comision Mexico-Estados Unidos para la Prevencion de la Fiebre Aftosa y Otras Enfermedades Exoticas de los Animales, Mexico City, Mexico; ‡U.S. Army Medical Research Institute of Infectious Diseases, Fort Detrick, Maryland, USA
Figure 1. Map showing the Mexican states sampled for antibodies to West Nile virus and Venezuelan equine encephalitis virus in equines. Unshaded states were not sampled. The location of the West Nile virus isolation from a dead Common Raven is shown by a star.
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