![]() First, by looking at the data carefully, the epidemiologist becomes very familiar with the data.Descriptive epidemiology covers time, place, and person.Ĭompiling and analyzing data by time, place, and person is desirable for several reasons. However, epidemiologists tend to use synonyms for the five W’s listed above: case definition, person, place, time, and causes/risk factors/modes of transmission. Epidemiologists strive for similar comprehensiveness in characterizing an epidemiologic event, whether it be a pandemic of influenza or a local increase in all-terrain vehicle crashes. Why/how = causes, risk factors, modes of transmissionĪs noted earlier, every novice newspaper reporter is taught that a story is incomplete if it does not describe the what, who, where, when, and why/how of a situation, whether it be a space shuttle launch or a house fire.
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