0 a person whose job is to find any other people that an infected person has met or had close contact with, usually in order to control the spread of an infectious disease:
Contact tracers reported that many people flatly refused to share details of their contacts.
A team of 50 contact tracers is working to help cholera patients and contacts disinfect their homes, treat their water and learn safe practices to avoid transmission.
For sexually transmitted infections, contact tracers need a list of sexual contacts of the index case, as well as any babies born to the index case.
If the patient refuses to divulge their HIV status to contacts who may be at risk, the doctor can advise the Health Department, which will dispatch an official called a "contact tracer".
Case management software is often used by contact tracers to maintain records of cases.
