Common Steps in the Epidemiologic Approach

1.Perform an initial observation to confirm the outbreak 公卫考场

2.Define the disease

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3.Describe the disease by time, place, and person

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4.Create a hypothesis as to the possible etiologic factors 公卫人

 5.Conduct analytic studies 公卫人

6.Summarize the findings 公卫家园

7.Recommend and communicate the interventions or preventative programs 公卫考场