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Volume 10, Number 12—December 2004

Research

Venezuelan Equine Encephalitis Virus, Southern Mexico

José G. Estrada-Franco*, Roberto Navarro-Lopez†, Jerome E. Freier‡, Dionicio Cordova§, Tamara Clements¶, Abelardo Moncayo*, Wenli Kang*, Carlos Gomez-Hernandez#, Gabriela Rodriguez-Dominguez#, George V. Ludwig¶, and Scott C. Weaver*Comments to Author 
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, Mexico City, Mexico; ‡U.S. Department of Agriculture, Fort Collins, Colorado, USA; §Instituto Nacional de Investigaciones Forestales Agricolas y Pecuarias (INIFAP) Mexico City, Mexico; ¶U.S. Army Medical Research Institute of Infectious Diseases, Ft. Detrick, Maryland, USA; #Instituto de Salud de la Secretaria de Salud de Chiapas, Tuxtla Gutierrez, Chiapas, Mexico

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Table 3

VEEV human seroprevalence in 9 localities of Coastal Chiapas sampled from October to December, 2000

Location No. inhabitants No. sampled No. (%) positive Estimated no. persons exposed
Las Coaches, Pijijiapan 362 36 27 (75) 221
Isla Morelos, Mapastepec 391 43 25 (58) 226
Roberto Barrios, Mapastepec 372 69 37 (54) 201
10 de Abril, Mapastepec 81 16 5 (31) 25
Francisco Sarabia, Mapastepec 354 76 14 (18) 67
Buena Vista, Pijijiapan 440 83 52 (63) 277
Las Palmas, Acapetahua 832 44 8 (18) 151
Jamaica, Escuintlab 703 26 1 (4) 28
Cintalapab 632 41 3 (7) 47
Total 4,167 434 172 (40) 1,666

aVEEV, Venezuelan equine encephalitis virus.
bCintalapa and Jamaica were the negative controls for our “unexposed” VEEV zone.

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