1. As a clinical epidemiologist, you have been requested by the hospital administration to study the effects of administering antibiotics to patients at different time frames (2-hour intervals up to 24 hours) before they have surgery that involves opening the chest cavity. The study is aimed at reducing infections caused by surgery as well as reducing deaths. The study is to take place over the next 15 years. Please design an appropriate epidemiological study and also explain the study design chosen? (double-spaced, at least one page, total 25 points)
2. Please design a randomized clinical trial to test a new cancer drug for treatment of breast cancer and also explain the study design chosen? (double-spaced, at least one page, total 25 points)