Laboratory diagnosis of Epstein-Barr virus (EBV) infection is improving wit
h the development of new technologies. Quantification of the virus by real-
time polymerase chain reaction (PCR) and evaluation of EBV-specific T cells
, especially by tetrameric human leukocyte antigens, are noteworthy candida
tes for monitoring procedures in clinical laboratories involved in the mana
gement of transplant recipients, Standardization of PCR is essential for im
proving the quality of these monitoring procedures.