Commonly or blandly known as “contact tracers,” who help identify people (and possibly even pets) who may have been exposed to the coronavirus to prevent onward transmission.
In Singapore, most virus hunters, made up of government officers, military personnel, and ex-hotel and airline staff, used to make between 30 and 100 calls during their 12-hour shift, ploughing through receipts and data to map out links between cases and establish clusters.
by MathPlus May 05, 2023