Viral LoadHIV InfectionsRNA, ViralHIV-1CD4 Lymphocyte CountAnti-HIV AgentsAntiretroviral Therapy, Highly ActiveAnti-Retroviral AgentsRNAHIV SeropositivityHIVRNA, Small InterferingViremiaRNA EditingRNA SplicingHIV Protease InhibitorsAcquired Immunodeficiency SyndromeRNA, RibosomalRNA, BacterialDNA, ViralDrug Resistance, ViralHIV SeronegativityBranched DNA Signal Amplification AssayVirus ReplicationPlasmaDNA-Directed RNA PolymerasesRitonavirRNA, MessengerRNA VirusesCD4-Positive T-LymphocytesRNA InterferenceZidovudineReverse Transcriptase InhibitorsHIV Core Protein p24Virus SheddingCohort StudiesDrug Therapy, CombinationRNA, Double-StrandedSouth AfricaIndinavirCoinfectionBenzoxazinesLamivudineHIV SeroprevalenceReagent Kits, DiagnosticRNA, CatalyticLopinavirAntiviral AgentsPolymerase Chain ReactionOrganophosphonatesStavudineRNA FoldingRNA Polymerase IITreatment FailureUgandaDisease ProgressionAIDS Dementia ComplexAIDS-Related Opportunistic InfectionsHIV Reverse TranscriptaseMolecular Sequence DataTime FactorsTreatment OutcomeInfectious Disease Transmission, VerticalPyrimidinonesProspective StudiesRNA, FungalBase SequenceCD8-Positive T-LymphocytesNevirapineHepacivirusVaginal DouchingHepatitis CGenotypeRNA StabilityDidanosineAdenineRNA, AntisenseRNA HelicasesHIV-2Pregnancy Complications, InfectiousSimian immunodeficiency virusRNA Processing, Post-TranscriptionalSimian Acquired Immunodeficiency SyndromeHIV AntigensRNA, TransferCD4-CD8 RatioVirologyHIV ProteaseRNA, Small NuclearNucleic Acid ConformationDrug MonitoringRNA PrecursorsSequence Analysis, RNARNA, UntranslatedMutationHIV Long-Term SurvivorsRisk FactorsDrug Resistance, Multiple, ViralRNA CapsPatient Compliance