Skin TestsTuberculin TestMass Chest X-RayTuberculosisSkinBCG VaccineTuberculinTuberculosis, PulmonaryTuberculosis, CutaneousHypersensitivity, DelayedTuberculosis, OcularIntradermal TestsContact TracingMycobacterium tuberculosisLatent TuberculosisAntitubercular AgentsSkin AgingSkin DiseasesSkin NeoplasmsInterferon-gamma Release TestsHypersensitivity, ImmediateStreptodornase and StreptokinaseDrug HypersensitivityImmunoglobulin ESkin Physiological PhenomenaSkin AbsorptionRadioallergosorbent TestHistoplasminHypersensitivityAllergensUrticariaSkin PigmentationImmunologic TestsTuberculosis, BovineBasophil Degranulation TestAntigens, BacterialAnaphylaxisErythemaInfant, NewbornSensitivity and SpecificityInterferon-gammaSkin, ArtificialMycobacterium bovisMitesImmunity, CellularFood HypersensitivityAntigens, FungalTrichophytinGuinea PigsCoccidioidinSkin Test End-Point TitrationLeishmaniasis, CutaneousLeishmania braziliensisRespiratory HypersensitivityPetasitesReagent Kits, DiagnosticTransfer FactorEnzyme-Linked Immunosorbent AssaySkin Diseases, BacterialSkin UlcerIsoniazidDesensitization, ImmunologicAsthmaTrichophytonEpidermisLeishmaniasis, MucocutaneousDinitrochlorobenzeneRhinitisCell Migration InhibitionAntigensAsymptomatic InfectionsCoccidioidomycosisInfectious Disease Transmission, Patient-to-ProfessionalPatch TestsLeprominGambiaPrevalenceRhinitis, Allergic, SeasonalAspergillosis, Allergic BronchopulmonaryRhinitis, Allergic, PerennialLatex HypersensitivityBasophilsVeterinary MedicineSilicotuberculosisDrug EruptionsSkin AbnormalitiesPollenEthiopiaLymphocyte ActivationFalse Positive ReactionsLeprosyT-LymphocytesBronchial Provocation TestsInjections, IntradermalMass ScreeningHealth PersonnelStaphylococcal Skin InfectionsPeruTime FactorsLeishmania