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Developing a public health surveillance system is similar to developing a housing estate. Besides the actual building process (setting up infrastructure for data collection, analysis, interpretation and dissemination) there are many other requirements to be identified in planning—and care must be taken to ensure products will stand up to the test of time.
The first step is to identify “wants” of homebuyers (recognise and integrate all the “needs” of various stakeholders in a manner that will lead to quality, …