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Describe the

Surveillance (Epidemiologic surveillance is the systematic collection, analysis, and interpretation of health data to monitor and describe a health event. This information is used to plan, implement, and evaluate public health programs and interventions. Specify the use of passive/active/hybrid survillence)

Diagnostic screening and testing for Covid 19. When discussing screening and testing discuss•

Validity of screening test

• Reliability of screening test

• Kappa statistic

• Sensitivity

• Specificity

• Positive predictive value

• Negative predictive value

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