Question

9. Which one is true about a propagated epidemic?

A The shape of its curve usually contains a series of successively larger peaks.
B. Its subsequent cases, rarely serve as sources for later cases
C. Both A and B are correct
D. Both A and B are incorrect.​

Answer 1

Both a and d are incorrect

Step-by-step explanation:

Answer 2

I think it’s c . Both a and b are correct