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1.We investigate an outbreak to put in place a surveillance system (Yes / no) 2.One of the objectives to investigate an outbreak is to identify the population at risk (Yes / no) 3.An outbreak occur when disease incidence is no different than the background level ( Yes / no) 4.Outbreak is described in terms of time, place and space ( Yes / no)

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Which are the steps in an outbreak investigation? 5. Implement control and prevention (Yes / No) 6.Establish the existence of an outbreak (Yes / No) 7.Perform descriptive epidemiology (Yes / No) 8.Define and identify cases (Yes / No) 9.Prepare for field work (Yes / No)

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10.You use Relative Risk (RR) to measure the association in a retrospective cohort study (Y/N) 11.You use Odd Ratio (OR) to measure the association in a Case-Control study (Y/N) 12.You can develop your hypothesis even before you do your descriptive study (Y/N) 13.Data cleaning is removing or deleting outliers (eg. Extreme age) from your data before you analyze (Y/N)

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Lesson #11 Relative Risk and the Odds Ratio. The risk of disease, given exposure, is: The risk of disease, given no exposure, is: The relative risk is.

Lesson #11 Relative Risk and the Odds Ratio. The risk of disease, given exposure, is: The risk of disease, given no exposure, is: The relative risk is.

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