Table 5. Correlation between EBV serology and RT-PCR.

Category by ELISA	Total No.	EBV DNA detected by RT-PCR
		Positive No. (%)	Negative No. (%)	Viral load copies/ml of blood	Viral load copies/μg of DNA
No infection	14	0 (0)	14 (100)	0	0
Past infection	594	315 (53)	279 (47)	0.915–2585.5	18.3–51,710
Reactivation	65	39 (60)	26 (40)	2.5–1026.8	50–20,586
Total	673	354	319	0.915–2585.5	18.3–51,710