Tuberculin TestLatent TuberculosisTuberculinSkin TestsTuberculosisInterferon-gamma Release TestsBCG VaccineTuberculosis, PulmonaryMycobacterium tuberculosisImmunologic TestsContact TracingInterferon-gammaReagent Kits, DiagnosticTuberculosis, BovineIsoniazidSkinSensitivity and SpecificityAntitubercular AgentsMycobacterium bovisInfectious Disease Transmission, Patient-to-ProfessionalHypersensitivity, DelayedSilicotuberculosisAntigens, BacterialMass ScreeningHematologic TestsMass Chest X-RayHealth PersonnelFalse Positive ReactionsTuberculosis, Central Nervous SystemEnzyme-Linked Immunosorbent AssayEmigration and ImmigrationIntradermal TestsEthiopiaPrevalenceDiagnostic Tests, RoutineHIV InfectionsFalse Negative ReactionsRisk FactorsPeruProspective StudiesSouth AfricaIncidenceRadiography, ThoracicPredictive Value of TestsClinical Laboratory TechniquesImmunoassayHIV SeronegativityCross-Sectional StudiesPrisonsSputumMilitary PersonnelT-LymphocytesReproducibility of ResultsBrazilAIDS-Related Opportunistic InfectionsBacterial ProteinsSkin AgingSkin DiseasesTime FactorsFamily CharacteristicsImmunocompromised HostSkin NeoplasmsHypersensitivity, ImmediateCD4 Lymphocyte CountRifampinCohort StudiesRetrospective StudiesMycobacterium kansasiiMycobacterium InfectionsVaccinationTuberculosis, OcularImmunity, CellularLymphadenitisPersonnel, HospitalStreptodornase and StreptokinaseLeukocytes, MononuclearLogistic ModelsCattleEndemic DiseasesHistoplasminImmunoglobulin EInfant, NewbornMultivariate AnalysisUnited StatesGuinea PigsPrisonersDrug HypersensitivityTransfer FactorCell Migration InhibitionDeerSkin Physiological Phenomena