Bacillus

1. Observe the microorganism in the sick host.

2. Grow the microorganism in pure culture.

3. Inoculate the microorganism into a healthy, susceptible host-and cause symptoms in that host.

4. Isolate the microorganism in pure culture.

Anthrax: A Primer

Koch's Postulates. Mouse over the numbers to read the steps.

Click on the Quiz button to test your understanding of Koch's Postulates.