Answered: Explain the steps involved in using…

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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Explain the steps involved in using Koch's postulate to establish the link between a suspected microorganism and disease.

Expert Solution

Step 1

Koch's postulates

These are four criteria designed to establish a causative relationship between a microbe and a disease.

The postulates were formulated by Robert Koch and Friedrich Loeffler in 1884.

These postulates are universal for all microorganisms except for viruses, Mycobacterium leprae, Treponema pallidum.

Step 2

The 4 Koch postulates are :-

The microorganism must be found in diseased but not healthy individuals.
The microorganism must be cultured from the diseased individual.
The cultured microorganism must cause disease in the test animal
The microorganism must be re-isolated from the inoculated, diseased test animal and matched to the original microorganism.

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