Question

Describe the criteria that make up Koch's Postulates and discuss their importance in modern epidemiology.

Answer 1

Ans:

The criteria that make up Koch's Postulates and their importance in modern epidemiology:

The criteria that make up Koch's Postulates:

- The microorganism must be present in every case of the disease.

- The microorganism must be isolated and cultured in vitro.

- The disease must be reproduced when a pure culture of the microorganism is inoculated into a susceptible host.

- The microorganism must be re-isolated from the experimentally infected host.

Importance of Koch's postulates in modern epidemiology:

- The importance of Koch's postulates in modern epidemiology is to develop a standard for determining the precise etiological or causative agent.

- Even today the Koch's postulates are standards for diagnosis of infectious disease.