The suspected bacterium or virus must be killed. The suspected bacterium or viru

Question

       The suspected bacterium or virus must be killed.
       The suspected bacterium or virus must be isolated, then grown in pure culture.
       The suspected bacterium or virus must be used as a vaccine in a sick individual.
       The suspected bacterium or virus must be injected into a sick individual.
       The suspected bacterium or virus must be denatured, then secondary protein structures destroyed so the protein capsule or coat is destroyed completely.

DUE IN 15 MINS

Explanation / Answer

Ans-The suspected bacterium or virus must be isolated ,then grown in pure culture.

Koch's postulates are a series of rules to determine if a given organism can cause a given disease. According to Koch ; a pathogen must be:

found in every case of the disease

made and maintained in a pure culture

capable of producing the original infection, after several generations of culturing

retrievable from an inoculated animal and cultured again

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