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.