LymphocytesImmunity, CellularLymphocyte CountImmunization, PassiveCD4 Lymphocyte CountT-LymphocytesSpleenLeukocyte CountLymphocyte ActivationLymphocyte SubsetsImmune SystemLymphopeniaHIV InfectionsB-LymphocytesCD4-Positive T-LymphocytesLymphocytosisPlatelet CountBlood Cell CountFlow CytometryCD4-CD8 RatioViral LoadAcquired Immunodeficiency SyndromeCell CountAIDS-Related Opportunistic InfectionsImmune ToleranceAnti-HIV AgentsHIV-1T-Lymphocyte SubsetsTime FactorsPhytohemagglutininsCells, CulturedAntiretroviral Therapy, Highly ActiveLymphocyte Culture Test, MixedMice, Inbred C57BLCytokinesImmunophenotypingMice, Inbred BALB CInterleukin-2Immunoglobulin GT-Lymphocytes, CytotoxicCD8-Positive T-LymphocytesInterferon-gammaAntigens, CDImmunoglobulinsLeukemia, Lymphocytic, Chronic, B-CellKiller Cells, NaturalLymphocytes, Tumor-InfiltratingAntibodies, MonoclonalAntigens, CD3ImmunityLymph NodesLymphocyte DepletionCytotoxicity, ImmunologicImmunity, InnateErythrocyte CountImmune Adherence ReactionNeutrophilsHypersensitivity, DelayedLeukemia, LymphoidLymphocyte TransfusionRosette FormationThymus GlandConcanavalin AAntibody FormationLeukocytesHIV SeronegativityReceptors, Antigen, B-CellRetrospective StudiesImmune SeraLeukocytes, MononuclearHIV SeropositivityMacrophagesImmunoglobulin MProspective StudiesBiological MarkersMonocytesZidovudineAntigens, CD45T-Lymphocytes, RegulatoryPrognosisAntigen-Antibody ComplexTreatment OutcomeLectinsDermatitis HerpetiformisImmunosuppressive AgentsHematologic TestsDendritic CellsCohort StudiesMitogensSkin TestsCell LineDisease ProgressionAntigensEnzyme-Linked Immunosorbent AssayImmunosuppressionRNA, ViralImmune EvasionHIVIntestinal MucosaCladribine