Foundations in Microbiology 9th Edition by Kathleen Park Talaro, Barry Chess

Exercise 16

Select the correct answer from the answers provided. For questions with blanks, choose the combination of answers that most accurately completes the statement. Which of the following is not a condition of Koch's postulates?
A) isolate the causative agent of a disease
B) cultivate the microbe in a lab
C) inoculate a test animal to observe the disease
D) test the effects of a pathogen on humans