HIV AntibodiesAntibodiesAntibody SpecificityAntibodies, ViralHIV SeropositivityAntibodies, BacterialAntibodies, MonoclonalHIV InfectionsAIDS SerodiagnosisAntibodies, NeutralizingAntibody FormationHIV SeroprevalenceVoluntary ProgramsAnonymous TestingHomosexualityAntibody AffinityFluorescent Antibody TechniqueContraceptive Devices, MaleAcquired Immunodeficiency SyndromeAntibodies, Anti-IdiotypicBinding Sites, AntibodyEpitopesAntibodies, NeoplasmAntibodies, ProtozoanAntibodies, AntinuclearHIV-1HIV AntigensCross ReactionsSexual BehaviorImmunoglobulin MAutoantibodiesHIVAntibodies, FungalNeutralization TestsEnzyme-Linked Immunosorbent AssayAIDS-Related ComplexMolecular Sequence DataHIV-2Substance Abuse, IntravenousAntigen-Antibody ReactionsAntibodies, BispecificImmunoenzyme TechniquesSingle-Chain AntibodiesImmunoassayAmino Acid SequenceMice, Inbred BALB CAntibodies, BlockingImmunoglobulin GReagent Kits, DiagnosticAntigen-Antibody ComplexImmunoglobulin Fab FragmentsSensitivity and SpecificityAntibodies, HeterophileAntibodies, CatalyticBlotting, WesternGenes, Immunoglobulin Heavy ChainBlood DonorsImmunoglobulin ARabbitsFluorescent Antibody Technique, IndirectPregnancy Complications, InfectiousContact TracingAntibodies, Monoclonal, HumanizedHybridomasImmune SeraCounselingEpitope MappingMass ScreeningImmunizationAntibodies, AntiphospholipidRisk FactorsCell LinePrevalenceHomosexuality, MaleRisk-TakingAntigensTime FactorsSexually Transmitted DiseasesSexual PartnersHealth FacilitiesAntigens, BacterialRecombinant ProteinsPregnancyAnti-HIV AgentsAntigens, SurfaceImmunization, PassiveHIV SeronegativityHemophilia APrisonersImmunoglobulin FragmentsCells, CulturedSalivaImmunohistochemistryAntigens, ViralMolecular WeightImmunoblottingFalse Positive ReactionsSeroepidemiologic StudiesRadioimmunoassayHepatitis B