On the morning of November 1010 in Tianjin, the office of epidemic prevention and control headquarters in Binhai New Area of Tianjin issued the notice on the work arrangement of cadres and workers in residential stroke insurance areas. According to the notice, cadres and workers in the areas with medium risk of living should come to work with the negative certificate of nucleic acid test within 7 days, and be postponed to the post before the nucleic acid results are issued. At 2:00 a.m. on November 8, the laboratory of the center for Disease Control and prevention in Binhai New Area reported that the nucleic acid test result of a refrigerator door handle in the environmental samples was positive, and then it was reported that the nucleic acid test result of one loader was positive. < / P > < p > according to the requirements of epidemic prevention and control work in medium risk areas in Binhai New Area, relevant cadres and workers are required to actively cooperate with the health screening and nucleic acid testing work of street and community organizations; they should hold the negative nucleic acid test certificate within 7 days, and stay on duty before the nucleic acid results are issued; do not leave the office unnecessarily If you have to travel, try not to take public transport. The risk level of Tianjin Binhai District will not change since September.