Question

postulates of Robert koch

Answer 1

1.The microorganism must be found in abundance in all organisms suffering from the disease, but should not be found in healthy organisms.

2.The microorganism must be isolated from a diseased organism and grown in pure culture.

3.The cultured microorganism should cause disease when introduced into a healthy organism.

4.The microorganism must be reisolated from the inoculated, diseased experimental host and identified as being identical to the original specific causative agent.