Skin TestsTuberculin TestSkinBCG VaccineTuberculosisIntradermal TestsLatent TuberculosisSkin AgingSkin DiseasesSkin NeoplasmsHypersensitivity, DelayedInterferon-gamma Release TestsHypersensitivity, ImmediateTuberculinStreptodornase and StreptokinaseDrug HypersensitivityImmunoglobulin ESkin Physiological PhenomenaMycobacterium tuberculosisTuberculosis, PulmonarySkin AbsorptionRadioallergosorbent TestHistoplasminHypersensitivityAllergensUrticariaSkin PigmentationImmunologic TestsTuberculosis, BovineBasophil Degranulation TestAntigens, BacterialAnaphylaxisErythemaContact TracingSensitivity and SpecificityInterferon-gammaSkin, ArtificialMycobacterium bovisMitesImmunity, CellularFood HypersensitivityAntigens, FungalTrichophytinGuinea PigsCoccidioidinSkin Test End-Point TitrationLeishmaniasis, CutaneousLeishmania braziliensisRespiratory HypersensitivityPetasitesReagent Kits, DiagnosticTransfer FactorEnzyme-Linked Immunosorbent AssaySkin Diseases, BacterialSkin UlcerIsoniazidMass Chest X-RayAntitubercular AgentsDesensitization, 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 FactorsLeishmaniaHematologic TestsDustCockroaches