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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.​

Respuesta :

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

Answer:

Both a and d are incorrect

Explanation:

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