Question

Which of the following would help prevent a local disease outbreak from becoming a pandemic?

A.
Populations in neighboring regions have been vaccinated against the disease.
B.
People travel frequently between the infected region and neighboring regions.
C.
The infected population and populations in neighboring regions are socially and economically similar.
D.
Populations in neighboring regions have never been exposed to the disease.

Answer 1

Answer:
Definitely A

Answer 2

A or D

Step-by-step explanation:

If this is after the disease was founded then it should be A, but if it was before then it's D.