Human Health and DiseaseHard

Question

Koch′s postulates are not applicable to

Options

A.cholera
B.leprosy
C.TB
D.diphtheria

Solution

To apply Koch′s postulates, we have to culture the suspected causal organism in vitro. Mycobacterium leprae cannot be cultured in vitro. Hence, Koch′s postulates are not applicable to leprosy because its incubation period is 2-5 years.
Cholera is caused by Vibrio cholerae.
TB is caused by Mycobacterium tuberculosis Diphtheria iscaused by Mycobacterium Diphtheriae.

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