At present, prevention of imported cases has become a top priority for epidemic prevention and control. How to seamlessly link the entire process of entering Shanghai from the landing of an aircraft to the isolation of health observation. Not only does it have strict and complicated registration and screening procedures, but also front-line epidemic prevention staffs stick around the clock. The brother of the Shanghai police will reveal the whole process of "closed loop of epidemic prevention" for you. (Reporter: Kang Yuzhan, Xu Yin Source: Shanghai Public Security Bureau Huangpu Branch)
Editor-in-chief: [Liu Xian]