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*
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
Figure 3. Detection of antibodies to Trypanosoma cruzi by immunofluorescence flow cytometry. Fluorescein isothiocyanate fluorescence intensities for T. cruzi–specific immunoglobulin G (IgG) and IgM antibodies in human and dog serum samples are shown. Background staining with normal serum, positive staining with chronic serum, and representative staining with 2 of the test serum samples are shown.
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