Arizona State University

Emory University

Contact tracing is used by health departments to prevent the spread of infectious disease. In general, contact tracing involves identifying people who have an infectious disease (cases) and people who they came in contact with (contacts) and working with them to interrupt disease spread. This includes asking people to isolate and their contacts to quarantine at home voluntarily. Contacts are also asked to monitor their symptoms daily, e.g., temperature checks, self-assessments based on common symptoms, and to get tested if any symptoms develop during their isolation.

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