COVID-19 Frontline Ep. 67: Big data is essential in preventing spread of coronavirus

Feng Gengzhong, dean of school of management of Xi'an Jiaotong University, said big data is very important in China's fight against COVID-19 pandemic, as it helps build up a system to recognize who is carrying the coronavirus and who might be able to carry the virus. He said such system would be efficient in preventing the spread of the virus.