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Volume 12, Number 4—April 2006
Research

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

Figure 4

Distribution of immunoglobulin G (IgG) and IgM antibodies to Trypanosoma cruzi in dogs. An enzyme-linked immunosorbent assay was used to detect antibodies in dogs in Tejupilco (C) and Toluca (D) in the State of Mexico. Negative controls are shown in A. Seroanalysis of dogs from Chiapas, a T. cruzi–endemic zone, is shown in B. The quadrants in A indicate the following: 1, IgG positive; 2, IgG and IgM negative; 3, IgM positive; 4, IgG and IgM positive.

Figure 4. Distribution of immunoglobulin G (IgG) and IgM antibodies to Trypanosoma cruzi in dogs. An enzyme-linked immunosorbent assay was used to detect antibodies in dogs in Tejupilco (C) and Toluca (D) in the State of Mexico. Negative controls are shown in A. Seroanalysis of dogs from Chiapas, a T. cruzi–endemic zone, is shown in B. The quadrants in A indicate the following: 1, IgG positive; 2, IgG and IgM negative; 3, IgM positive; 4, IgG and IgM positive.

Main Article

1These authors contributed equally to this work.

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