Organ TransplantationGanciclovirTissue DonorsLiver TransplantationCytomegalovirus InfectionsKidney TransplantationHeart TransplantationAntiviral AgentsCytomegalovirusTransplantationLung TransplantationAdministration, OralCytomegalovirus RetinitisGraft RejectionTransplantation ImmunologyChemopreventionGraft SurvivalTissue and Organ ProcurementViral LoadAntibiotic ProphylaxisViremiaPostoperative ComplicationsTreatment OutcomeTime FactorsAcyclovirLeukopeniaInjections, IntravenousDrug Resistance, ViralRetrospective StudiesMultiple Organ FailureProdrugsImmunocompromised HostTransplantation, HomologousProspective StudiesOrgan SizeValineSafetyOrgan SpecificityOrgan of CortiArea Under CurveDNA, ViralDrug Administration SchedulePhosphotransferases (Alcohol Group Acceptor)IncidenceDouble-Blind MethodLiving DonorsFollow-Up StudiesRisk FactorsBone Marrow TransplantationTransplantsImmunosuppressionVirus ReplicationVomeronasal OrganMice, Inbred C57BLTissue and Organ HarvestingSpleenCohort StudiesSubfornical OrganPancreas TransplantationCadaverBrain DeathTacrolimusCyclosporineKidneyLiverPelvic Organ ProlapseDonor SelectionHistocompatibility TestingHematopoietic Stem Cell TransplantationGraft vs Host Disease