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Surveillance

Identify public health problems and their magnitude

Identify high risk populations amenable to intervention

Evaluate progress in meeting national health objectives

 

Observational and Clinical Epidemiology:

Identify modifiable risk factors.

Determine the effectiveness of individual level interventions.

 

Health Services Research and Cost-Effectiveness Research

Examine the effectiveness of different health service, program, or policy-level interventions.

Examine the cost effectiveness of successful interventions