assessment methods

How Do Surveillance Systems Work?

Surveillance systems are essential for the ongoing collection, analysis, and interpretation of health data. They help in detecting outbreaks, monitoring trends, and guiding public health interventions.
- Passive Surveillance: Health care providers report cases of disease to public health authorities.
- Active Surveillance: Public health authorities actively seek out information about disease cases.
- Sentinel Surveillance: Selected health care facilities or providers report all cases of certain diseases.

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