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Volume 12, Number 4—April 2006

Human Trypanosoma cruzi Infection and Seropositivity in Dogs, Mexico

Jose G. Estrada-Franco*1, Vandanajay Bhatia*1, Hector Diaz-Albiter†, Laucel Ochoa-Garcia†, Alberto Barbabosa‡, Juan C. Vazquez-Chagoyan‡, Miguel A. Martinez-Perez‡, Carmen Guzman-Bracho§, and Nisha Garg*Comments to Author 
Author affiliations: *University of Texas Medical Branch, Galveston, Texas, USA; †Instituto de Salud del Estado de Mexico, Toluca, Mexico; ‡Universidad Autonoma del Estado de Mexico, Toluca, Mexico; §Instituto de Diagnostico y Referencia Epidemiologicos Secretaría de Salud, Mexico City, Mexico

Main Article

Table 2

Prevalence of antibodies to Trypanosoma cruzi in persons in southern area of the State of Mexico*

Municipality Village Altitude (m) No. screened Seropositivity,† no. (%)
IgG positive IgM positive‡ IgG and IgM positive
Tejupilco El Carmen Ixtapan 1,091 16 1 (6.3) 3 (18.7) 4 (25.0)
El Puerto del Salitre 1,268 29 3 (10.3) ND 3 (10.3)
Zacatepec 1,311 200 2 (1.0) 10 (5.0) 11 (5.5)
Rio Grande 1,554 3 0 ND 0
Tenería 1,730 45 0 3 (6.6) 3 (6.6)
Subtotal 293 6 (2.05) 16 (5.5) 21 (7.1)
Temascaltepec La Cominidad 2,500 63 0 1 (1.6) 1 (1.6)

*IgG, immunoglobulin G.
†p<0.001 for IgG, IgM, and IgG plus IgM seropositivity.
‡All IgM-seropositive persons were 4–13 y of age. ND, not determined.

Main Article

1These authors contributed equally to this work.

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