“…EnhanCing the immune response by vaccination or by passive immunization haa reduced the incidence of CMV disease in renal transplant recipients (11,12). Though passive administration of a high titer CMV immunoglobulin has been reported recently to reduce the incidence of CMV disease and associated mortality after liver transplantation, it was not commercially available when this trial was perfonned ( 13), Despite the lack of therapeutic activity against CMV, high dose intravenous or oral acyclovir has been reported to prevent CMV disease in renal and bone marrow transplant patients without adverse effects on patient or graft survival <14, 15). Although no similar prospective trials have been reported in liver transplant recipients, an uncontrolled study showed no decrease in CMV disease with high dose oral acyclovir.…”