Leprosy, TuberculoidLeprosy, LepromatousLeprosyMycobacterium lepraeLeprosy, BorderlineLeprominErythema NodosumLeprostatic AgentsLeprosy, MultibacillaryAntigens, BacterialTuberculomaArmadillosLeprosy, PaucibacillaryDapsoneSkinTuberculosis, CutaneousGranulomaAntibodies, BacterialGlycolipidsBCG VaccineT-LymphocytesLymphocyte ActivationMycobacterium bovisImmunity, Cellular