Cytomegalovirus InfectionsCytomegalovirusMuromegalovirusGanciclovirCytomegalovirus RetinitisCytomegalovirus VaccinesHerpesviridae InfectionsAntiviral AgentsAntibodies, ViralFoscarnetDNA, ViralImmediate-Early ProteinsImmunocompetenceAntigens, ViralPregnancy Complications, InfectiousVirus ReplicationViral ProteinsKidney TransplantationVirus ActivationRoseolovirusViral Matrix ProteinsFibroblastsImmunocompromised HostGastritis, HypertrophicPolymerase Chain ReactionOpportunistic InfectionsImmunoglobulin MInfant, NewbornTransplantation, HomologousViremiaGenes, Immediate-EarlySalivary GlandsAIDS-Related Opportunistic InfectionsAcquired Immunodeficiency SyndromeInfectious Disease Transmission, VerticalFetal DiseasesUrineCells, CulturedComplement Fixation TestsOrgan TransplantationImmunoglobulin GGene Expression Regulation, ViralPneumonia, ViralPregnancyMice, Inbred BALB CHerpesvirus 6, HumanRibonucleosidesCell LineViral LoadKiller Cells, NaturalViral Plaque AssayAcyclovirBone Marrow TransplantationTime FactorsViral Envelope ProteinsImmunosuppressionInfant, Newborn, DiseasesCytopathogenic Effect, ViralGraft RejectionSpleenGenes, ViralMolecular Sequence DataCytosineOrganophosphonatesPostoperative ComplicationsImmunity, CellularInclusion Bodies, ViralNK Cell Lectin-Like Receptor Subfamily APhosphoproteinsVirus LatencyLiver TransplantationTransplantationCD8-Positive T-LymphocytesImmunosuppressive AgentsNeonatal ScreeningHearing Loss, SensorineuralBase SequenceVirologyLung TransplantationHypoproteinemiaSerologic TestsLymphotoxin alpha1, beta2 HeterotrimerOrganophosphorus CompoundsHeart TransplantationRoseolovirus InfectionsChild CareTissue DonorsEnzyme-Linked Immunosorbent AssayMice, Inbred C57BLHearing Loss, CentralLymphocyte ActivationProspective StudiesAcute DiseaseFluorescent Antibody TechniqueHematopoietic Stem Cell TransplantationRetrospective StudiesTransplantsVirus CultivationHerpesviridaeT-Lymphocytes