<unk>  is a bacterium in the Mycobacterium genus. It is an environmental bacteria that causes opportunistic infections in humans, and is the one of the leading mycobacterial causes of human disease after tuberculosis and leprosy.
Mycobacterium kansasii
Mycobacterium africanum
Mycobacterium tuberculosis
Mycobacterium canetti
Mycobacterium haemophilum
Mycobacterium orygis
Mycoplasma incognitus
Bacillus anthracis