What is contact tracing, and how does it work with COVID-19?
The goal of contact tracing is to alert people who may have been exposed to someone with the coronavirus, and prevent them from spreading it to others. Health experts say contact tracing is key to containing the virus and allowing places to reopen more safely.
But the process isn’t easy.
After a person tests positive for the virus, a contact tracer would get in touch with the person and attempt to determine where they have been and who they were around.
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