Cytomegalovirus InfectionsCytomegalovirusMuromegalovirusGanciclovirCytomegalovirus VaccinesCytomegalovirus RetinitisAntiviral AgentsAntibodies, ViralHerpesviridae InfectionsDNA, ViralFoscarnetPregnancy Complications, InfectiousAntigens, ViralImmunocompetenceKidney TransplantationImmediate-Early ProteinsVirus ActivationViral Matrix ProteinsRoseolovirusOrgan TransplantationVirus ReplicationTransplantation, HomologousPolymerase Chain ReactionViremiaViral ProteinsImmunoglobulin MImmunocompromised HostInfectious Disease Transmission, VerticalInfant, NewbornOpportunistic InfectionsImmunoglobulin GInfant, Newborn, DiseasesBone Marrow TransplantationFetal DiseasesViral LoadHerpesvirus 6, HumanUrineGraft RejectionPneumonia, ViralFibroblastsPregnancyAcyclovirComplement Fixation TestsPostoperative ComplicationsLiver TransplantationRoseolovirus InfectionsImmunosuppressionCells, CulturedLung TransplantationImmunosuppressive AgentsTime FactorsGastritis, HypertrophicTransplantationGenes, Immediate-EarlyPhosphoproteinsKiller Cells, NaturalMice, Inbred BALB CTissue DonorsSalivary GlandsSerologic TestsAIDS-Related Opportunistic InfectionsCD8-Positive T-LymphocytesViral Envelope ProteinsImmunity, CellularHeart TransplantationVirologyCell LineGene Expression Regulation, ViralRetrospective StudiesHematopoietic Stem Cell TransplantationProspective StudiesSeroepidemiologic StudiesRibonucleosidesAntilymphocyte SerumViral Plaque AssayMolecular Sequence DataVirus LatencyEnzyme-Linked Immunosorbent AssayAcquired Immunodeficiency SyndromePlacenta DiseasesSpleenGraft SurvivalLymphocyte ActivationCucumovirusAmniotic FluidRisk FactorsSensitivity and SpecificityCytopathogenic Effect, ViralCytosineGenes, ViralIncidenceBase SequenceOrganophosphonatesNK Cell Lectin-Like Receptor Subfamily AAcute DiseaseInclusion Bodies, ViralTransplantation Immunology