Table 3.

Diagnostic results of the six individuals who were positive for Chagas disease

	Chagas			Dengue						Chikungunya	Zika
No. case	Ortho ELISA test system*	Hemagen Chagas kit ELISA†	Chagatest ELISA recomb. v.3.0†	Clinical diagnosis	Rapid test	Nonstructural protein1 ELISA	RT-PCR	IgM	IgG	RT-PCR	RT-PCR
1	3.9	1.1	0.9	+	–	–	–	–	–	–	n/a
2	5.9	1.4	2.8	–	–	–	–	–	–	–	n/a
3	5.6	1.5	2.9	+	+	+	+	+	+	–	n/a
4	5.3	1.4	2.4	–	–	–	–	–	–	–	–
5	2.6	1.6	0.9	–	–	–	–	–	–	–	–
6	5.9	1.6	2.7	+	–	–	–	+	–	+	–

RT-PCR = reverse transcription–PCR.

* Signal-to-cutoff ratio.

† Optical density.