TABLE 1.

Anti-Toxoplasma antibody titers and results of conventional and real-time T. gondii PCR on sequential samples of blood and CSF

Sample collection daya	Anti-Toxoplasma serology		No. of tachyzoites/ml inc:
	IgG titer (IU/ml)	IgM (index)b	Whole blood		Buffy coat		Serum		CSF
			PCR-ELISA	Real-time PCR	PCR-ELISA	Real-time PCR	PCR-ELISA	Real-time PCR	PCR-ELISA	Real-time PCR
−127	2,400	0					0	0
−15	2,400	0					0	0
−8							0	0
−1							0	0
+7							0	0
+14							0	0
+20							0	0
+27							0	0
+34							0	0
+36			0	0	+	86
+41							+	26
+43			+	2,200	+	26,000			+	37
+48			+	530	+	2,200	+	19
+50			+	130	+	1,400
+53			+	240	+	1,400
+55							+	0
+61			0	0	+	11
+62							+	18
+67	300	0	+	0	+	8	+	0
+69							+	16	0	0
+71			+	0	+	6
+74			0	19	0	0	0	0
+81	160	0	0	0	+	0.5	+	0
+84			0	0	0	0
+91			0	37	+	0	0	0
+99							0	0
+102	250	0	0	0	0	0	0	0
+106			0	0	0	0
+126							0	0
+165	240	0	0	0	0	0	0	0
+179	198	0	0	0	0	0	0	0
+197			0	0	0	0
+200	187	0					0	0
+214			0	0	0	0
+225			0	0	0	0

^a− and + indicate days before and after SCT, respectively.

^bValues were calculated according to the manufacturer’s instructions.

^c+, PCR-ELISA positive.