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Linking key intervention timings to rapid declining effective reproduction number to quantify lessons against COVID-19

查看全文 作　　者：Zhihang [1]Peng;Wenyu [1]Song;Zhongxing [1]Ding;Quanquan [2]Guan;Xu [2]Yang;Qiaoqiao [2]Xu;Xu [2]Wang;Yankai [2]Xia 高影响力作者 机构地区：[1]Department of Epidemiology and Biostatistics,School of Public Health,Nanjing Medical University,Nanjing 211166,China;[2]Key Laboratory of Modern Toxicology of Ministry of Education,School of Public Health,Nanjing Medical University,Nanjing 211166,China高影响力机构 出　　处：《Frontiers of Medicine》索引2020年第14卷第5期,共7页高影响力期刊 基　　金：The study was supported in part by the National Natural Science Foundation of China(Nos.81673275 and 91846302);the National S&T Major Project Foundation of China(Nos.2018ZX10715002-004 and 2018ZX10713001-001);the Priority Academic Program Development of Jiangsu Higher Education Institutions(PAPD). 摘　　要：Coronavirus disease 2019(COVID-19)is currently under a global pandemic trend.The efficiency of containment measures and epidemic tendency of typical countries should be assessed.In this study,the efficiency of prevention and control measures in China,Italy,Iran,South Korea,and Japan was assessed,and the COVID-19 epidemic tendency among these countries was compared.Results showed that the effective reproduction number(Re)in Wuhan,China increased almost exponentially,reaching a maximum of 3.98 before a lockdown and rapidly decreased to below 1 due to containment and mitigation strategies of the Chinese government.The Re in Italy declined at a slower pace than that in China after the implementation of prevention and control measures.The Re in Iran showed a certain decline after the establishment of a national epidemic control command,and an evident stationary phase occurred because the best window period for the prevention and control of the epidemic was missed.The epidemic in Japan and South Korea reoccurred several times with the Re fluctuating greatly.The epidemic has hardly rebounded in China due to the implementation of prevention and control strategies and the effective enforcement of policies.Other countries suffering from the epidemic could learn from the Chinese experience in containing COVID-19. 关 键 词：COVID-19 epidemic control comparison Chinese experience
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