Learning Goal: I’m working on a nursing discussion question and need support to help me learn.*** Make a Comment***Time trends are important considerations in descriptive epidemiology and are usually described in three general categories: Secular trends (long term variations); cyclic changes (periodic, annual fluctuations); and epidemic disease outbreaks (short-term fluctuations). The natural history of a disease or disease outbreak provides valuable information about where and how to proceed regarding further investigation, analytic studies, and interventions; and also holds the advantage of data collection without the influence of an observer.
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