bacteria mycobacterium bovis,

mycobacterium bovis bcg bovine vaccine microbiology scientific pneumonia human cell respiratory bacterium pathology microscopic microbes sick epidemic closeup micro bacteria sickness infection tuberculosis medicine 3d health microscope science fighting intracellulare tb leprosy illustration africanum illness rodshaped disease medical complex leprae avium ulcerans xenopi bacillus calmetteguerin microscopy magnification isolated black background