Answer to Question 1
ANS: C
Shoe leather epidemiology refers to establishing hypotheses about the community's health, strengths, and possible problems through the down-to-earth approach of traveling through the area, and observing and interacting with community members. Implementing the wheel model, engaging in truth seeking, and facilitating sharing of the community's history do not demonstrate the process of traveling through the community to absorb its overall impression.
Answer to Question 2
ANS: C
The incidence rate of new cases would be most useful for detecting short-term acute disease changes, because the swine flu duration is usually relatively short.