Receptors, CCR5Receptors, CCR2Receptors, CCR1Receptors, CCR7Receptors, CCR4Receptors, CCR3Receptors, CCR6HIV InfectionsReceptors, CCR8Receptors, CCR10HIV SeropositivityReceptors, CCRHIV SeroprevalenceHIV SeronegativityReceptors, ChemokineHIV-1Receptors, HIVAnti-HIV AgentsAcquired Immunodeficiency SyndromeHIV AntigensAIDS SerodiagnosisChemokines, CCHIV Envelope Protein gp120HIV Protease InhibitorsSexual BehaviorReceptors, CXCR4CD4 Lymphocyte CountHomosexuality, MaleChemokine CCL5Risk-TakingHIV Core Protein p24Anti-Retroviral AgentsViral LoadCD4-Positive T-LymphocytesHIV Reverse TranscriptaseSouth AfricaHIV Fusion InhibitorsMacrophage Inflammatory ProteinsChemokine CCL4HIV ProteaseSubstance Abuse, IntravenousSexual PartnersHIV Long-Term SurvivorsChemokine CCL3PrevalenceCyclohexanesChemokine CCL19Antigens, CD4Chemokine CCL20Chemokine CCL21Virus ReplicationCondomsChemokinesChemotaxis, LeukocyteHIV Envelope Protein gp41AIDS-Related Opportunistic InfectionsUnsafe SexUgandaZimbabweChemokine CCL2Receptors, CXCR3CoinfectionHealth Knowledge, Attitudes, PracticeAIDS Dementia ComplexCounselingChemokine CCL1Chemokine CCL22Risk FactorsCross-Sectional StudiesHIV EnteropathyChemokine CCL17ProstitutionVoluntary ProgramsMalawiHIV-2Chemokine CCL11T-LymphocytesReceptors, CytokineCells, CulturedSafe SexAfrica South of the SaharaFlow CytometryChemotaxisMolecular Sequence DataDrug Resistance, ViralMonocytesHeterosexualityRNA, ViralZambiaSimian immunodeficiency virusEpidemicsCell LineVirus InternalizationCD8-Positive T-LymphocytesMacrophagesCircumcision, MaleLeukocytes, MononuclearCohort StudiesMonocyte Chemoattractant ProteinsCell Movement