- Determine the efficacy of photochemically-treated autologous Epstein-Barr virus (EBV)-transformed B-lymphoblastoid cell vaccine in generating an EBV-specific T-cell and antibody response in EBV-negative patients or in boosting the response in EBV-positive patients who are being considered for a solid organ transplant and are at high risk for post-transplant lymphoproliferative disorder.