Immune Reconstitution Inflammatory SyndromeAntiretroviral Therapy, Highly ActiveImmune SystemHIV InfectionsCD4 Lymphocyte CountAIDS-Related Opportunistic InfectionsSevere Combined ImmunodeficiencyImmune System DiseasesAnti-Retroviral AgentsHematopoietic Stem Cell TransplantationAnti-HIV AgentsT-LymphocytesTransplantation, HomologousMeningitis, CryptococcalCD4-Positive T-LymphocytesGraft vs Host DiseaseBone Marrow TransplantationViral LoadThymus GlandHematologic NeoplasmsHIV-1Leukoencephalopathy, Progressive MultifocalLymphocyte DepletionLymphocyte SubsetsLymphocyte CountImmunityHyper-IgM Immunodeficiency Syndrome, Type 1CD4-CD8 RatioCord Blood Stem Cell TransplantationImmune ToleranceSyndromeTuberculosisMycobacterium xenopiTransplantation ConditioningT-Lymphocyte SubsetsInterleukin-7Transplantation ImmunologyLymphocyte ActivationOpportunistic InfectionsCytomegalovirus InfectionsAcquired Immunodeficiency SyndromeMice, Inbred C57BLGraft SurvivalB-LymphocytesGraft vs Leukemia EffectAntitubercular AgentsCentral Nervous System Bacterial InfectionsLymphadenitisCryptococcosisImmunocompromised HostCytokinesHistocompatibility TestingTransplantation, AutologousSarcoptes scabieiImmunity, CellularFlow CytometryLymphopoiesisHIVImmunophenotypingTuberculosis, Central Nervous SystemTime FactorsCytomegalovirusCD8-Positive T-LymphocytesTransplantation ChimeraMice, Inbred BALB CPneumonia, PneumocystisLymphocyte TransfusionInterferon-gammaKiller Cells, NaturalHistocompatibilityInterleukin Receptor Common gamma SubunitT-Lymphocytes, RegulatoryMyeloablative AgonistsSouth AfricaViremiaTreatment OutcomeLymphopeniaLymphocytesJC VirusImmunologic Deficiency SyndromesLeukopoiesisAntibodies, NeoplasmImmunity, InnateAntilymphocyte SerumInfectionHematopoietic Stem CellsProteolipidsImmunologic MemoryLeprosyCytomegalovirus RetinitisWhole-Body IrradiationHLA AntigensHematopoiesisMycobacterium avium-intracellulare InfectionInterleukin-2CoinfectionAntigens, CDCells, CulturedFetal BloodPeripheral Blood Stem Cell Transplantation