Introduction to Epidemiology 6th Edition by Ray M Merrill

Exercise 11

As the hospital 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.Design an appropriate study. Explain and justify the study design chosen.

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Epidemiology can be defined as study of determination of states of health, events in the population of humans, its distribution as well as the application of such studies in control as well as prevention of some health related consequences.

The word is derived from a Greek word epi, which means upon, befall and on. Here the prefix is read after suffix and finally it ends with the root. Thus, epidemiology means the study of befalls of the people.