GanciclovirCytomegalovirus InfectionsThymidine KinaseAntiviral AgentsCytomegalovirus RetinitisCytomegalovirusFoscarnetAcyclovirSimplexvirusGenetic TherapyGenes, Transgenic, SuicideProdrugsRetinitisVirus ReplicationOrganophosphonatesHerpesvirus 1, HumanDrug Resistance, ViralPhosphotransferases (Alcohol Group Acceptor)Genetic VectorsOrgan TransplantationViremiaDNA, ViralRibonucleosidesViral Plaque AssayCytosineBystander EffectGliosarcomaAdministration, OralAIDS-Related Opportunistic InfectionsInterferonsOrganophosphorus CompoundsAdenoviridaeAntimetabolitesTransplantation, HomologousCell LineAcquired Immunodeficiency SyndromeInjections, IntravenousInterferon Type IVitreous BodyPneumonia, ViralBone Marrow TransplantationInterferon-alphaTumor Cells, CulturedDrug ImplantsViral ProteinsVirus ActivationAntigens, ViralVirusesVirus DiseasesHerpesviridae InfectionsInterferon-betaOpportunistic InfectionsHerpesvirus 6, HumanGene Transfer TechniquesDrug Therapy, CombinationViral LoadVero CellsCytosine DeaminaseTransduction, GeneticEye Infections, ViralDimercaprolMyxovirus Resistance ProteinsTransplantationMolecular Sequence DataArabinofuranosyluracilHerpes SimplexVesicular stomatitis Indiana virusTreatment OutcomeZidovudineCells, CulturedTime FactorsPolymerase Chain Reaction