Cytomegalovirus InfectionsCytomegalovirusMuromegalovirusGanciclovirCytomegalovirus RetinitisCytomegalovirus VaccinesHerpesviridae InfectionsAntibodies, ViralAntiviral AgentsDNA, ViralFoscarnetImmediate-Early ProteinsSerologyAntigens, ViralViral ProteinsVirus ReplicationImmunocompetencePregnancy Complications, InfectiousViral Matrix ProteinsVirus ActivationPolymerase Chain ReactionFibroblastsSerologic TestsRoseolovirusKidney TransplantationGenes, Immediate-EarlyImmunoglobulin MImmunocompromised HostGene Expression Regulation, ViralImmunoglobulin GComplement Fixation TestsViremiaCells, CulturedOpportunistic InfectionsAIDS-Related Opportunistic InfectionsOrgan TransplantationViral Envelope ProteinsPneumonia, ViralInfant, NewbornCell LineTransplantation, HomologousSalivary GlandsHerpesvirus 6, HumanGastritis, HypertrophicMolecular Sequence DataGenes, ViralViral Plaque AssayUrineInfectious Disease Transmission, VerticalRibonucleosidesMice, Inbred BALB CAcyclovirViral LoadFetal DiseasesTime FactorsPregnancyEnzyme-Linked Immunosorbent AssayCytopathogenic Effect, ViralBone Marrow TransplantationBase SequenceKiller Cells, NaturalVirologyPhosphoproteinsImmunosuppressionOrganophosphonatesVirus LatencyInclusion Bodies, ViralGraft RejectionCytosineHerpesviridaeSensitivity and SpecificitySpleenInfant, Newborn, DiseasesFluorescent Antibody TechniquePostoperative ComplicationsCD8-Positive T-LymphocytesTransplantationImmunity, CellularNK Cell Lectin-Like Receptor Subfamily AAcquired Immunodeficiency SyndromeLiver TransplantationSeroepidemiologic StudiesImmunosuppressive AgentsLung TransplantationBetaherpesvirinaeRoseolovirus InfectionsTissue DonorsProspective StudiesVirus CultivationOrganophosphorus CompoundsEye Infections, ViralAmino Acid SequenceRetinitisRetrospective StudiesHeart TransplantationHematopoietic Stem Cell TransplantationLymphocyte ActivationAcute DiseaseTransplantsPromoter Regions, Genetic