Screening and surveillance

This chapter discusses screening and surveillance and the role that these activities play in tackling non-communicable diseases. Screening and surveillance have an important role in all stages of the policy cycle. This chapter outlines the differences among screening, surveillance, and monitoring and how they help to define the problem, formulate strategies, monitor their successful implementation, and provide feedback. This chapter provides information about how these programmes could be integrated with risk categorization to identify high-risk groups for targeted interventions. It also discusses the types of surveillance and different ways to use surveillance data. It provides several case studies on screening and surveillance programmes set up in different parts of the world.