1.2 Koch and Pasteur

Question 1

What are Koch’s postulates

Answer 1

1. in all organisms suffering from disease, the micro-organism must be present in abundance
2. Micro-organisms must be isolated from the diseased organism and grown in pure culture
3. When a healthy organism is inoculated with the pure culture, it must develop the same symptoms as the orginal sick organism
4. isolate and re-grow the micro-organism from newly infected organism. if it is identical to the micro-organism cultured in step 2, it has been identified as the cause of the disease