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COVID-19 Outbreak Caused by Contaminated Packaging of Imported Cold-Chain Products—Liaoning Province,China,July 2020

查看全文 作　　者：Huilai [1]Ma1;Jianqun [2]Zhang;Ji [3]Wang;Ying [1]Qin;Cao [3]Chen;Yang [3]Song;Liang [1,4]Wang;Jun [2]Meng;Lingling [5]Mao;Fengqin [6]Li;Ning [6]Li;Jian [1,7]Cai;Yong [3]Zhang;Dayan [3]Wang;Yunting [8]Xia;Hong [3]Wang;Shaofeng [9]Jiang;Xiang [3]Zhao;Peihua [3]Niu;Wenjie [3]Tan;Tao [1,10]Ma;Yecheng [11]Yao;Naiying [3]Mao;Zhen [3]Zhu;Tianjiao [3]Ji;Qian [3]Yang;Baoying [3]Huang;Li [3]Zhao;Jianxing [1]Yu;Li [6]Bai;Shuangli [3]Zhu;Dongyan [3]Wang;Yan [3]Zhang;Yingwei [5]Sun;Mingchun [2]Luan;Yanhai [3]Wang;Haibo [5]Sun;Shihong [2]Yang;Zhijian [2]Bo;Xiang [1]Ren;Zhongjie [1]Li;George Fu [1]Gao;Wei [2]Yao;Wenqing [5]Yao;Zijian [1]Feng;Wenbo [3]Xu 高影响力作者 机构地区：[1]Chinese Center for Disease Control and Prevention,Beijing,China;[2]Dalian Center for Disease Control and Prevention,Dalian,Liaoning,China;[3]National Institute for Viral Disease Control and Prevention,Chinese Center for Disease Control and Prevention,Beijing,China;[4]Chengdu Center for Disease Control and Prevention,Chengdu,Sichuan,China;[5]Liaoning Center for Disease Control and Prevention,Shenyang,Liaoning,China;[6]China National Center for Food Safety Risk Assessment,Beijing,China;[7]Zhejiang Center for Disease Control and Prevention,Hangzhou,Zhejiang,China;[8]National Center for Rural Water Supply Technical Guidance,Chinese Center for Disease Control and Prevention,Beijing,China;[9]National Institute of Occupational Health and Poison Control,Chinese Center for Disease Control and Prevention,Beijing,China;[10]Nanjing Center for Disease Control and Prevention,Nanjing,Jiangsu,China;[11]National Institute for Nutrition and Health,Chinese Center for Disease Control and Prevention,Beijing,China高影响力机构 出　　处：《China CDC weekly》索引2021年第3卷第21期,共7页高影响力期刊 基　　金：The National Key Research and Development Project,Ministry of Science and Technology of the People’s Republic of China(2021YFC0863000,2018ZX10713002,and 2020YFC0846900),National Natural Science Foundation of China(No.72042012,and No.82041032)and National Key Technology R&D Program of China(2017ZX10104001). 摘　　要：Summary What is known about this topic?Few major outbreaks of coronavirus disease 2019(COVID-19)have occurred in China after major nonpharmaceutical interventions and vaccines have been deployed and implemented.However,sporadic outbreaks that had high possibility to be linked to cold chain products were reported in several cities of China..What is added by this report?In July 2020,a COVID-19 outbreak occurred in Dalian,China.The investigations of this outbreak strongly suggested that the infection source was from COVID-19 virus-contaminated packaging of frozen seafood during inbound unloading personnel contact.What are the implications for public health practice?Virus contaminated paper surfaces could maintain infectivity for at least 17–24 days at-25℃.Exposure to COVID-19 virus-contaminated surfaces is a potential route for introducing the virus to a susceptible population.Countries with no domestic transmission of COVID-19 should consider introducing prevention strategies for both inbound travellers and imported goods.Several measures to prevent the introduction of the virus via cold-chain goods can be implemented. 关 键 词：introducing prevention MAINTAIN
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