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| PCR result | Sample size | Domicile | Chicken coop | Corral |
| Negative | 47 | 13 | 8 | 26 |
| Positive | 34 | 16 | 3 | 15 |
| % Positive* | 42% | 55% | 27% | 37% |
T. cruzi infection prevalence not significantly different among habitats (Likelihood ratio Chi square = 3.56, P>0.05).
