But by trawling through travel data from Wuhan, local authorities were able to identify him and dispatch officers to his home last week, according to a newspaper article posted by the Nanjing government. "Strengthen the information link between... public security and transportation, and other departments," it said, urging them to share train, flight, communication, and medical data. As Chinese authorities search for potential infections, a point of focus has been detecting fevers, a common symptom of the disease. According to the company, its system can check more than 200 people a minute, far faster than the thermal scanners used at airports. It also asked if they had "recently" visited central Hubei province -- where Wuhan is located -- or come into contact with anyone from the hard-hit region.

Source: The Star February 08, 2020 04:07 UTC