Recently, the domestic up local outbreak of sporadic cases or clustering, the epidemic situation is very severe and complex, to strictly implement the "rebound against input, inside outside" prevention and control strategy, control and reduce the risk of the disease spread, effective protection of the city's people's life safety and body health, the centers for disease control and prevention in yancheng city to the general public warm reminder:   One, every July 16 (including), nanjing, yangzhou, huaian and suqian, xiamen city, zhengzhou city, mianyang, chengdu, yibin city, while luzhou, shenyang, dalian, zhangjiajie, zhuzhou city, xiangxi tujia and miao autonomous prefecture, changsha, yiyang, huanggang, high-risk areas in living history of personnel (including travel, tourism), Persons who are in contact with the activities of novel Coronavirus infected persons should actively report to their communities (villages) and units, and cooperate with the local authorities to implement novel Coronavirus nucleic acid testing, isolation control and health monitoring as soon as possible.   Second, every July 16 (including), since there are other low, high risk areas are divided into districts in the city, living history of personnel risk region, hold negative proof within 48 hours of nucleic acid detection, or be able to produce within…