Creating Legal Data for Public Health Monitoring and Evaluation: Delphi Standards for Policy Surveillance

Surveillance in public health is the means by which people who are responsible for preventing or controlling threats to health get the timely, ongoing, and reliable information they need about the occurrence, antecedents, time course, geographic spread, consequences, and nature of these threats among the populations they serve. “Policy surveillance” is the ongoing, systematic collection, analysis, and dissemination of information about laws and other policies of health importance.