What was the purpose of the CDC creating the first list of standard ca

What was the purpose of the CDC creating the first list of standard case definitions for notifiable diseases?

a. Some diseases were under-reported and others were over-reported.
b. There was no central office to collect data.
c. Some people refused to notify officials when diseases were seen.
d. No one knew where to report the information that was collected.

ESSAYBID ANSWER

ANS: A