Skin TestsTuberculin TestSkinIntradermal TestsExanthemaLatent TuberculosisSkin DiseasesSkin AgingSkin NeoplasmsTuberculosisHypersensitivity, DelayedHypersensitivity, ImmediateInterferon-gamma Release TestsTuberculinDrug HypersensitivityBCG VaccineDrug EruptionsStreptodornase and StreptokinaseImmunoglobulin ESkin Physiological PhenomenaDiaper RashMycobacterium tuberculosisUrticariaTuberculosis, PulmonaryErythemaHypersensitivitySkin AbsorptionRadioallergosorbent TestHistoplasminAllergensSkin PigmentationImmunologic TestsTuberculosis, BovineBasophil Degranulation TestAnaphylaxisAntigens, BacterialSensitivity and SpecificityContact TracingInterferon-gammaSkin, ArtificialMycobacterium bovisMitesFood HypersensitivityImmunity, CellularAntigens, FungalTrichophytinGuinea PigsSkin Diseases, BacterialCoccidioidinSkin Test End-Point TitrationLeishmaniasis, CutaneousEnzyme-Linked Immunosorbent AssayLeishmania braziliensisAcneiform EruptionsRespiratory HypersensitivityPetasitesReagent Kits, DiagnosticTransfer FactorDermatitisSkin UlcerIsoniazidAsthmaMass Chest X-RayAntitubercular AgentsSkin Diseases, ViralDesensitization, ImmunologicTrichophytonEpidermisLeishmaniasis, MucocutaneousDinitrochlorobenzeneRhinitisCell Migration InhibitionAntigensPrevalenceAsymptomatic InfectionsCoccidioidomycosisInfectious Disease Transmission, Patient-to-ProfessionalPatch TestsLeprominGambiaPurpuraTime FactorsRhinitis, Allergic, SeasonalAspergillosis, Allergic BronchopulmonaryRhinitis, Allergic, PerennialEczemaLatex HypersensitivityProspective StudiesBasophilsVeterinary MedicineT-LymphocytesSilicotuberculosisSkin AbnormalitiesPollenRisk FactorsEthiopiaChickenpoxPeruLymphocyte ActivationFalse Positive Reactions