Opportunistic InfectionsAIDS-Related Opportunistic InfectionsConduct DisorderAcquired Immunodeficiency SyndromeHIV InfectionsPneumonia, PneumocystisCD4 Lymphocyte CountAntiretroviral Therapy, Highly ActiveImmune Reconstitution Inflammatory SyndromeImmunocompromised HostT-Lymphocytopenia, Idiopathic CD4-PositiveMycobacterium avium-intracellulare InfectionAnti-HIV AgentsToxoplasmosis, CerebralMeningitis, CryptococcalMycosesCytomegalovirus InfectionsLymphoma, AIDS-RelatedSarcoma, KaposiHIV-1HIVAnti-Retroviral AgentsCryptococcosisMicrosporidiosisAIDS Dementia ComplexHistoplasmosisPneumocystis jiroveciiNocardia InfectionsPneumocystis InfectionsLymphopeniaHIV SeropositivityCandidiasis, OralCytomegalovirus RetinitisLung Diseases, ParasiticToxoplasmosisPneumocystisCandidiasisNamibiaLeukoencephalopathy, Progressive MultifocalAntifungal AgentsImmunologic Deficiency SyndromesImmunosuppressive AgentsHerpes ZosterHomosexualityTuberculosisMedicine, African TraditionalViral LoadBacterial InfectionsCD4-Positive T-LymphocytesPneumocystis cariniiRetroviruses, SimianInfectionMycobacterium InfectionsParasitic DiseasesMycobacterium avium ComplexOrgan TransplantationTrimethoprim-Sulfamethoxazole CombinationThymic Factor, CirculatingTreatment OutcomeCryptosporidiosisProtozoan InfectionsMucormycosisTuberculosis, PulmonaryRetrospective StudiesIncidenceFatal OutcomeDrug Therapy, CombinationCohort StudiesCentral Nervous System InfectionsTime FactorsHIV Wasting SyndromeImmunosuppressionUnited StatesRisk FactorsCryptococcusMicrosporidaCoccidioidomycosisEncephalitozoon cuniculiVirus DiseasesIndiaDermatomycosesCoinfectionEncephalitozoonosisPrevalenceSouth AfricaAspergillosisDermatomyositisSimian Acquired Immunodeficiency SyndromePolymyositisChemopreventionAIDS VaccinesRetroviridae InfectionsZidovudineCladribineEthnobotanyMycobacterium Infections, NontuberculousProspective StudiesAnti-Infective AgentsAmphotericin BAIDS-Related Complex