noun
the process of tracking down and monitoring individuals who have come into contact with an infected person
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Contact tracing is a crucial method used by public health officials to track and contain the spread of infectious diseases.
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They're doing contact tracing to find out who else might have been exposed.
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Contact tracing is like detective work to identify and notify people who may have come into contact with a contagious person.
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In the world of public health, contact tracing is akin to following the breadcrumbs to stop the spread of illness.