新华社北京12月11日电（记者董瑞丰、顾天成）国务院联防联控机制日前印发关于加强口岸城市新冠肺炎疫情防控工作的通知，要求近期离开陆地边境口岸城市（与香港、澳门有口岸相连的除外）人员需持有48小时内核酸检测阴性证明，前往陆地边境口岸城市人员抵达后至少进行1次核酸检测。
Xinhua News Agency Beijing December 11th (Reporters Dong Ruifeng, Gu Tiancheng) State Council joint prevention and control mechanism recently issued a notice about strengthening epidemic prevention and control of COVID-19 in port cities, asking people who recently left land border port cities (except those connected with ports of Hong Kong and Macao) to hold the negative result of nucleic acid test within 48 hours, and people who go to the land border port cities should take the nucleic acid test at least once after arrival.