Mycobacterium lepraemuriumMycobacterium InfectionsMycobacteriumMycobacterium lepraeMycobacterium tuberculosisMycobacterium bovisHypersensitivity, DelayedLeprosySpleenAntigens, BacterialImmunity, CellularMice, Inbred C3HMycobacterium aviumMycobacterium smegmatisMacrophagesMice, Inbred C57BLNontuberculous MycobacteriaLymph Nodes