Table 2. Clinical course of a 13-year-old boy with congenital Chagas disease, Japan, after treatment with benznidazole.

Characteristic	Before treatment	Days after starting treatment
		30	60	180
Antibody titer*	160	160	160	160
Nested PCR result	+	+	–	–
Blood culture result	+	–	–	–

*Antibodies against Trypanosoma cruzi.