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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

Table 1

Prevalence of immunoglobulin G (IgG) antibodies to Trypanosoma cruzi in persons in southern area of the State of Mexico*†

No. positive test results‡ Total screened
Tejupilco
Temascaltepec
No. (%) % of population No. (%) % of population No. (%) % of population
0 321 (90.1) 268 (91.5) 55 (87.31)
1 22 (6.2) 14 (4.78) 6 (9.52)
2 7 (2.0) 98.3 5 (1.7) 97.95 2 (3.17) 100
3 1 (0.28) 1 (0.35) 0
4 2 (0.56) 2 (0.68) 0
5 3 (0.85) 1.7 3 (1.02) 2.05 0 0.0
Total 356 (100) 293 (100) 63 (100)

*Samples positive in >3 tests were considered seropositive (shown in boldface).
†All except 2 participants seropositive for IgG antibodies by >2 tests were 5–18 y of age.
‡Level of agreement for serologic data for 5 tests: concordance level 98.2; κ coefficient 0.618; 95% confidence interval 0.622–0.714.

Main Article

1These authors contributed equally to this work.

Page created: January 23, 2012
Page updated: January 23, 2012
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