Pathogen Mycobacterium tuberculosis is the pathogen in most cases Mycobacterium bovis in some parts of the world with no pasteurization of milk Mycobacterium avium intracellulare has become a major pathogen in HIV patients M. africanum. M. microti, and M. canetti 74 oxp eFudan University Zhongshan Hospital www.themegallery.com Pathogen • Mycobacterium tuberculosis is the pathogen in most cases. • Mycobacterium bovis in some parts of the world with no pasteurization of milk. • Mycobacterium avium intracellulare has become a major pathogen in HIV patients. • M. africanum, M. microti, and M. canetti