You are an epidemiologist, and you want to find out why some people exposed to the flu actually get the flu and others exposed to the flu do not get it. Which study design should you use?

Question

Quizplus · Accepted Answer

A case-control study is suitable for investigating factors that may contribute to a particular outcome, such as why some people exposed to the flu get it while others do not, by comparing those who have the flu (cases) with those who do not (controls).

You Are an Epidemiologist, and You Want to Find Out