Collecting Public Health Surveillance Data: Creating a Surveillance System
Collecting Public Health Surveillance Data: Creating a Surveillance System
This chapter addresses the implementation of the decision to design a public health surveillance system. The first step involves establishing a clear purpose for the surveillance system consistent with public health surveillance principles. It emphasizes the importance of a clear case definition for key variables in the system; knowledge and articulation of the population under surveillance; explication of duration, timeliness, and frequency of data collection; identification of required data elements and the sources of these data; explication of data storage and sharing plans; ways to ensure data quality; and the critical need to protect the privacy and confidentiality of the data entrusted to public health.
Keywords: system design, surveillance, public health, case definition, population, data elements, storage, data quality, privacy
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