Tuberculin TestTuberculosisLatent TuberculosisTuberculinSkin TestsTuberculosis, PulmonaryInterferon-gamma Release TestsMycobacterium tuberculosisBCG VaccineImmunologic TestsContact TracingIsoniazidInterferon-gammaTuberculosis, BovineReagent Kits, DiagnosticMycobacterium bovisSensitivity and SpecificityAntigens, BacterialSkinAntitubercular AgentsInfectious Disease Transmission, Patient-to-ProfessionalHypersensitivity, DelayedSilicotuberculosisMass ScreeningHematologic TestsTuberculosis, Central Nervous SystemTuberculosis, Multidrug-ResistantHealth PersonnelMass Chest X-RayFalse Positive ReactionsEmigration and ImmigrationEnzyme-Linked Immunosorbent AssaySputumEthiopiaPrevalenceIntradermal TestsHIV InfectionsDiagnostic Tests, RoutineRifampinSouth AfricaTuberculosis VaccinesBacterial ProteinsPeruRisk FactorsTuberculosis, MiliaryFalse Negative ReactionsProspective StudiesRadiography, ThoracicIncidenceTuberculosis, OcularAIDS-Related Opportunistic InfectionsTuberculosis, Lymph NodePredictive Value of TestsClinical Laboratory TechniquesTuberculosis, CutaneousHIV SeronegativityImmunoassayPrisonsCross-Sectional StudiesT-LymphocytesBrazilReproducibility of ResultsTuberculosis, OsteoarticularTime FactorsMilitary PersonnelMycobacterium InfectionsMycobacteriumTuberculosis, GastrointestinalTuberculosis, SpinalRetrospective StudiesImmunocompromised HostCD4 Lymphocyte CountFamily CharacteristicsSkin DiseasesMycobacterium kansasiiSkin AgingVaccinationCohort StudiesAntibiotics, AntitubercularImmunity, CellularSkin NeoplasmsHypersensitivity, ImmediateTuberculosis, PleuralExtensively Drug-Resistant TuberculosisLymphadenitisTuberculosis, UrogenitalPyrazinamideLeukocytes, MononuclearTuberculosis, MeningealPersonnel, HospitalCattleLogistic ModelsStreptodornase and StreptokinaseEndemic DiseasesGuinea PigsInfant, NewbornTuberculosis, SplenicPrisonersTuberculosis, HepaticMultivariate Analysis