Tuberculin TestMycobacterium tuberculosisTuberculosisLatent TuberculosisTuberculosis, PulmonaryTuberculinBCG VaccineInterferon-gamma Release TestsSkin TestsAntitubercular AgentsMycobacteriumMycobacterium bovisIsoniazidInterferon-gammaAntigens, BacterialMycobacterium InfectionsTuberculosis VaccinesImmunologic TestsReagent Kits, DiagnosticContact TracingSensitivity and SpecificityBacterial ProteinsRifampinMycobacterium smegmatisTuberculosis, BovineTuberculosis, Multidrug-ResistantGranulomaTuberculosis, CutaneousLungMycobacterium aviumSputumPyrazinamideInfectious Disease Transmission, Patient-to-ProfessionalAntibiotics, AntitubercularNontuberculous MycobacteriaHypersensitivity, DelayedEnzyme-Linked Immunosorbent AssayBacterial LoadSkinMass ScreeningMycobacterium lepraeMycobacterium Infections, NontuberculousTuberculosis, PleuralHematologic TestsT-LymphocytesMacrophagesPrevalenceMycobacterium avium ComplexHealth PersonnelTuberculosis, Central Nervous SystemMycobacterium kansasiiSilicotuberculosisRadiography, ThoracicMice, Inbred C57BLSouth AfricaHIV InfectionsTuberculomaGranuloma, Respiratory TractFalse Positive ReactionsEmigration and ImmigrationEthambutolAIDS-Related Opportunistic InfectionsDNA, BacterialRisk FactorsMycobacterium marinumEthiopiaMycobacterium fortuitumMass Chest X-RayTime FactorsProspective StudiesImmunity, CellularCD4-Positive T-LymphocytesMycolic AcidsTuberculosis, Lymph NodeVaccinationBacteriological TechniquesMolecular Sequence DataGambiaPolymerase Chain ReactionDiagnostic Tests, RoutinePeruLeukocytes, MononuclearTuberculosis, MiliaryFalse Negative ReactionsIncidenceIntradermal TestsMicrobial Sensitivity TestsClinical Laboratory TechniquesCytokinesCoinfectionPredictive Value of TestsLymphocyte ActivationTumor Necrosis Factor-alphaReproducibility of ResultsMycobacterium chelonaeInterleukin-12 Subunit p40Drug Resistance, BacterialImmunoassayColony Count, MicrobialDNA Fingerprinting