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| 1 | Cold-chain transportation in the frozen food industry may have caused a recurrence of COVID-19 cases in destination:Successful isolation of SARS-CoV-2 virus from the imported frozen cod package surface显示文摘Coronavirus disease 2019(COVID-19)pandemic has spread in 220 countries/regions towreak havoc to human beings around theworld.At present,the second wave of COVID-19 has begun in many European countries.The complete control of COVID-19 is very urgent.Although China quickly brought the virus under control,there have been eight sporadic outbreaks in China since then.Both in Xinfadi of Beijing and Dalian outbreak of COVID-19,environmental swab samples related to imported cold chain food were tested nucleic acid positive for SARS-CoV-2.In this outbreak in Qingdao,we directly isolated SARS-CoV-2 from the cod outer package's surface swab samples.This is the first time worldwide,SARS-CoV-2 were isolated from the imported frozen cod outer package's surface,which showed that imported frozen food industry could import SARS-CoV-2 virus. | Peipei Liu Mengjie Yang Xiang Zhao Yuanyuan Guo Liang Wang Jing Zhang Wenwen Lei Weifang Han Fachun Jiang William J.Liu George F.Gao Guizhen Wu | 2020 | Biosafety and Health2020，2，4： | 41 |
| 2 | Long Distance Transmission of SARS-CoV-2 from Contaminated Cold Chain Products to Humans——Qingdao City,Shandong Province,China,September 2020显示文摘Summary What is already known about this topic?Though coronavirus disease 2019(COVID-19)has largely been controlled in China,several outbreaks of COVID-19 have occurred from importation of cases or of suspected virus-contaminated products.Though several outbreaks have been traced to severe acute respiratory syndrome coronavirus 2(SARS-CoV-2)isolated on the outer packaging of cold chain products,live virus has not been obtained. | Huilai Ma Zhaoguo Wang Xiang Zhao Jun Han Yong Zhang Hong Wang Cao Chen Ji Wang Fachun Jiang Jie Lei Jingdong Song Shaofeng Jiang Shuangli Zhu Huihui Liu Dongyan Wang Yao Meng Naiying Mao Yanhai Wang Zhen Zhu Zhixiao Chen Bingling Wang Qinqin Song Haijun Du Qun Yuan Dong Xia Zhiqiang Xia Peipei Liu Yuchao Wu Zijian Feng Ruqin Gao George F.Gao Wenbo Xu | 2021 | China CDC weekly2021，3，30： | 13 |
| 3 | A Nosocomial COVID-19 Outbreak Initiated by an Infected Dockworker at Qingdao City Port-Shandong Province, China, October, 2020显示文摘On October 10,2020,3 cases of coronavirus disease 2019(COVID-19)were detected via routine preadmission nucleic acid screening of inpatients and their visitors at Qingdao Central Hospital.The 3 cases were all related to the Qingdao Chest Hospital.An additional 9 cases were discovered and confirmed through tracing and testing contacts of the 3 initial cases.Viral isolates from all 12 cases were found to have high degrees of genetic homology with the viral isolate from a dockworker at Qingdao Port,referred to as Patient A in this report.A joint investigation team was formed to determine the source of infection and the scale of the outbreak,and to prevent further spread of the virus. | Qun Yuan Zengqiang Kou Fachun Jiang Zhongjie Li Lijie Zhang Huihui Liu Xiang Zhao Dianmin Kang Ruqin Gao Jie Lei | 2020 | China CDC weekly2020，2，43： | 12 |
| 4 | Profiles of SARS-CoV-2 RNA and Antibodies in Inpatients with COVID-19 not Related with Clinical Manifestation: A Single Centre Study显示文摘Dear Editor,A novel coronavirus disease(COVID-19)caused by acute respiratory syndrome coronavirus 2(SARS-Co V-2)first broke out in Wuhan,Hubei Province,China,in 2019.More than 50 million cases of COVID-19 have been confirmed globally with 1,280,868 deaths reported as of November12,2020(http://gffzze7c39cdc9e894ca6sx6pkuww5o5fn60on.ffgz.tsg.suse.edu.cn/). | Li Zhao Ruqin Gao Roujian Lu Huijuan Wang Yao Deng Peihua Niu Fachun Jiang Baoying Huang Jiwei Liang Jing Jia Feng Zhang Wenling Wang Guizhen Wu Wenjie Tan | 2021 | Virologica Sinica2021，36，5： | 0 |
| 5 | A Hospital Superspreading Event of COVID-19--Qingdao City,Shandong Province,China,2020显示文摘Superspreaders were defined as the minority of individuals who infect disproportionately more susceptible contacts,especially when compared to the majority of individuals who infect few or no others.Superspreading events,i.e.events involving superspreaders,highlight the limitations of basic reproduction number(R0),which represented the average dynamics of transmission. | Hualei Xin Jiwei Liang Fachun Jiang | 2020 | China CDC weekly2020，2，34： | 0 |
| 6 | A Case of Psittacosis-Qingdao City,Shandong Province,China,May 2023显示文摘A case of psittacosis was identified in Qingdao City,Shandong Province on May 4,2023.The patient,a 69-year-old retired male,was admitted to a medical facility on April 22,2023.His symptoms,which had persisted for two days prior to his admission,included a fever(reaching 38.4°C at its peak),an escalating cough,and wheezing,none of which had been previously treated. | Ying Li Bei Pan Wenzhe Xiao Lizhu Fang Lijie Zhang Fachun Jiang Jing Jia Huilai Ma | 2023 | China CDC weekly2023，5，28： | 0 |
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