Calculate an appropriate measure of association for the provided epidemiologic study.

Africa has 54 countries

No matter what they say you can’t change who you are so when u tell them whatever they say jus be like i’m who i am and i won’t change

To check their medical records to see if they have had chicken pox before, if they haven’t, monitor their temperature, drink plenty of fluids, and stay away from small children and those who haven’t been exposed to chicken pox during the incubation period.