Which of the following statement is incorrect regarding germ theory of diseases postulated by Robert Koch_____________?

A: A specific organism can always be found in association with a given disease

B: The organism can be isolated and grown in pure culture in the laboratories

C: The pure culture cannot produce the disease when inoculated into susceptible animal however the causative organism isolated from pure culture can do so.

D: It is possible to recover the organism in pure culture from the experimentally infected animals