Which does NOT represent one of Koch’s postulates?
A: isolate germs from an infected animal
B: grow germs in a lab culture
C: inject germs into a healthy animal
D: watch to determine how long it takes for the healthy animal to become ill
Which does NOT represent one of Koch’s postulates?
A: isolate germs from an infected animal
B: grow germs in a lab culture
C: inject germs into a healthy animal
D: watch to determine how long it takes for the healthy animal to become ill