Organ TransplantationKidney TransplantationTissue DonorsLiver TransplantationHeart TransplantationGraft RejectionTransplantationGraft SurvivalLung TransplantationImmunosuppressive AgentsTransplantation, HomologousTransplantsTacrolimusCytomegalovirus InfectionsTissue and Organ ProcurementCyclosporineImmunosuppressionPostoperative ComplicationsBone Marrow TransplantationImmunocompromised HostMycophenolic AcidTime FactorsRetrospective StudiesLiving DonorsTreatment OutcomeTransplantation ImmunologyCytomegalovirusHeart-Lung TransplantationBK VirusBronchiolitis ObliteransOpportunistic InfectionsPancreas TransplantationHematopoietic Stem Cell TransplantationGanciclovirCadaverLiver FailureHistocompatibility TestingRisk FactorsPolyomavirus InfectionsKidney Failure, ChronicLymphoproliferative DisordersFollow-Up StudiesMycosesGraft vs Host DiseaseWaiting ListsKidneyIsoantibodiesAntiviral AgentsProspective StudiesBiopsyAntilymphocyte SerumIncidenceCreatinineTransplantation ToleranceSirolimusPostoperative PeriodKidney DiseasesCalcineurinAzathioprineFatal OutcomeLiver DiseasesSurvival RateRecurrenceHLA AntigensHistocompatibilityAspergillosisSurvival AnalysisDelayed Graft FunctionAntifungal AgentsMultiple Organ FailureCohort StudiesDrug Therapy, CombinationMice, Inbred C57BLOrgan SizeTransplantation, HeterotopicPolymerase Chain ReactionT-LymphocytesDonor SelectionPrimary Graft DysfunctionAcute DiseaseTransplantation ChimeraInfectionBrain DeathGlomerular Filtration RateTissue and Organ HarvestingLiverDrug MonitoringOrgan SpecificityViremiaSkin TransplantationIslets of Langerhans TransplantationDNA, ViralRenal InsufficiencySpleenHepatitis CEnd Stage Liver DiseaseKidney Function TestsOrgan of CortiTransplantation, IsogeneicHerpesvirus 6, Human