Which of the following fulfil all the criterias of kich's postulates ?
Correct answer: D. None of the above
- A. Treponema pallidum
- B. Mycobacterium leprae
- C. N. gonorrhoeae
- D. None of the above
Explanation
None of these organisms fulfils every classical Koch postulate: Treponema pallidum and Mycobacterium leprae cannot be routinely grown in artificial culture, while Neisseria gonorrhoeae lacks a suitable experimental disease model. Therefore, none of the listed organisms satisfies all four criteria.
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