Table 3.
Detection of DNA of Trypanosoma cruzi in blood and urine samples by PCR and relationship with antigenuria in experimentally infected Sus scrofa
| Days postinfection | n | DNA clot | DNA urine | Antigenuria* |
|---|---|---|---|---|
| Positives (%) | Positives (%) | Positives (%) | ||
| 15 | 4 | 4 (100) | 2 (50) | 3 (75) |
| 25 | 4 | 4 (100) | 3 (75) | 3 (75) |
| 35 | 4 | 4 (100) | 2 (50) | 3 (75) |
| 45 | 4 | 4 (100) | 2 (50) | 3 (75) |
| 55 | 4 | 4 (100) | 2 (50) | 2 (50) |
| 60 | 4 | 4 (100) | 1 (25) | 3 (75) |
| 75 | 4 | 2 (50) | 0 (0) | 2 (50) |
| 80 | 4 | 2 (50) | 0 (0) | 3 (75) |
| 85 | 4 | 1 (25) | 0 (0) | 1 (25) |
| 90 | 4 | 1 (25) | 1 (25) | 2 (50) |
| 95 | 4 | 2 (50) | 0 (0) | 1 (25) |
| 150 | 4 | 1 (25) | 0 (0) | 2 (50) |
| Total | 48 | 34 (71) | 13 (27) | 28 (58) |
PCR = polymerase chain reaction.
*
The presence of any of the bands of 75, 80, 120, and 150 kDa was considered as a positive result.