Table 5. Detailed PCR findings for patients with acute Chagas disease.
Patient ID | patient description | time of specimen | specimen type | results individual assays | Reported results | ||
kDNA TaqMan | TCZ TaqMan | 18 S rRNA TaqMan | |||||
13 | acute infection after triatomine contact in endemic region1 | sample 1 | EDTA blood | positive | positive | positive | positive |
1 week later | blood clot | positive | positive | positive | positive † | ||
3 weeks later | EDTA blood | positive | positive | positive | positive † | ||
2 months later | EDTA blood | negative | negative | negative | negative† | ||
3 months later | EDTA blood | negative | negative | negative | negative | ||
4 months later | EDTA blood | positive | positive | negative | positive | ||
4.5 months later | EDTA blood | positive | negative | negative | equivocal | ||
14 | congenital transmission2 | 19 days old | EDTA blood | positive | positive | positive | positive |
2 months old | EDTA blood | negative | negative | negative | negative† |
Patient was serologically positive for Chagas disease by the time she was tested at CDC.
Patient was serologically positive when 19 days old due to maternal antibodies. Another sample collected at 10 months of age tested negative in serology.
†: indicate specimens that were collected during drug treatment (benznidazole or nifurtimox).