The following pathogen does not satisfy 'Koch's postulates'-: (A) Bacillus anthrax, (B) Mycobacterium tubercolosis, (C) Clostridium tetani, (D) Lepra bacilli
Answer is D. Mycobacterium leprae is ble but not culturable. That cannot be isolated in cell-free culture. Can be grown in the footpad of mice.It is a long and strenuos process REF:Textbook of Microbiology, Ananthanarayan, and Paniker. Page no.: 346, 364