SinusitisMaxillary SinusitisHIV InfectionsSphenoid SinusitisEthmoid SinusitisFrontal SinusitisParanasal SinusesMaxillary SinusHIV SeropositivityParanasal Sinus DiseasesEthmoid SinusHIV SeroprevalenceHIV-1Acquired Immunodeficiency SyndromeHIV SeronegativityOrbital DiseasesAnti-HIV AgentsAIDS SerodiagnosisHIVRhinitisSexual BehaviorCD4 Lymphocyte CountHomosexuality, MaleTransilluminationBacteria, AerobicEndoscopyAcute DiseaseNasal PolypsCellulitisRisk-TakingAnti-Retroviral AgentsMycosesViral LoadPrevalenceSubstance Abuse, IntravenousTomography Scanners, X-Ray ComputedAIDS-Related Opportunistic InfectionsSouth AfricaAntiretroviral Therapy, Highly ActiveRisk FactorsSexual PartnersNose DiseasesOtorhinolaryngologic Surgical ProceduresChronic DiseaseAmoxicillin-Potassium Clavulanate CombinationOtitisHIV AntigensFrontal SinusNasal MucosaTurbinatesRespiratory Tract InfectionsCD4-Positive T-LymphocytesAIDS Dementia ComplexProstitutionZimbabweCross-Sectional StudiesHIV Protease InhibitorsCondomsExophthalmosAnti-Bacterial AgentsMucoceleMucormycosisHIV Core Protein p24HomosexualityInfectious Disease Transmission, VerticalAspergillosisSphenoid SinusBacterial InfectionsCiliary Motility DisordersOroantral FistulaTomography, X-Ray ComputedUnsafe SexCavernous Sinus ThrombosisUnited StatesLaryngitisCohort StudiesUgandaIncidenceSyphilisPregnancy Complications, InfectiousPorphyromonasHeterosexualityEthmoid BoneHIV AntibodiesHIV Envelope Protein gp120Rhinitis, Allergic, PerennialNasal DecongestantsSchizophyllumAfrica South of the SaharaOtitis MediaMalawiRetrospective StudiesCoinfectionBrain AbscessEpidural AbscessAIDS-Related ComplexProspective StudiesTrichosporonosisStomatognathic DiseasesImmunocompromised Host