Organ TransplantationTransplantsTransplantationKidney TransplantationImmunosuppressive AgentsImmunocompromised HostGraft RejectionHeart TransplantationTissue and Organ ProcurementLung TransplantationTissue DonorsClone CellsTransplantation ImmunologyCytomegalovirus InfectionsImmunosuppressionGraft SurvivalLymphoproliferative DisordersTransplantation, HomologousPostoperative ComplicationsLiver TransplantationGanciclovirOpportunistic InfectionsFacial TransplantationCytomegalovirusBrain DeathTacrolimusCyclosporineSkin NeoplasmsTransplantation ToleranceMycophenolic AcidTime FactorsPancreas TransplantationEyebrowsTreatment OutcomeCryptococcosisKeratosis, ActinicRetrospective StudiesMycosesZygomycosisHeart-Lung TransplantationWaiting ListsAntiviral AgentsLiving DonorsMarital TherapyBone Marrow TransplantationAntifungal AgentsCadaverRisk FactorsSeromaHerpesvirus 4, HumanAcitretinCalcineurinSunscreening AgentsDeathPolymerase Chain ReactionHistocompatibility TestingMolecular Sequence DataEpstein-Barr Virus InfectionsFatal OutcomeAspergillosisHerpesvirus 7, HumanIncidenceHematopoietic Stem Cell TransplantationCoccidioidomycosisCloning, MolecularBase SequenceCohort StudiesHerpesvirus 6, HumanFollow-Up StudiesHerpesviridae InfectionsT-LymphocytesPennsylvaniaImmunocompetenceProspective StudiesHLA AntigensKidneyAmino Acid SequenceDNA, ViralImmune ToleranceSunlightMicrosporidiosisSirolimusCarcinoma, Squamous CellViral Matrix ProteinsLiver DiseasesSurvival RateViremiaUnited StatesTumor Virus InfectionsViral LoadMice, Inbred C57BLAntibodies, ViralFetal Tissue TransplantationRegistriesMultiple Organ FailureOrgan SpecificityAntibodies, MonoclonalImmune SystemPrognosisOrgan Size