2020年中国吉林省控制新冠疫情复发病例传播的干预措施效果
Effectiveness of Interventions to Control Transmission of Reemergent Cases of COVID-19 - Jilin Province, China, 2020.
作者信息
Zhao Qinglong, Yang Meng, Wang Yao, Yao Laishun, Qiao Jianguo, Cheng Zhiyong, Liu Hanyin, Liu Xingchun, Zhu Yuanzhao, Zhao Zeyu, Rui Jia, Chen Tianmu
机构信息
Jilin Provincial Center for Disease Control and Prevention, Changchun, Jilin, China.
State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics, School of Public Health, Xiamen University, Xiamen, Fujian, China.
出版信息
China CDC Wkly. 2020 Aug 21;2(34):651-654. doi: 10.46234/ccdcw2020.181.
WHAT IS ALREADY KNOWN ABOUT THIS TOPIC?: COVID-19 has a high transmissibility calculated by mathematical model. The dynamics of the disease and the effectiveness of intervention to control the transmission remain unclear in Jilin Province, China.
WHAT IS ADDED BY THIS REPORT?: This is the first study to report the dynamic characteristics and to quantify the effectiveness of interventions implemented in the second outbreak of COVID-19 in Jilin Province, China. The effective reproduction number of the disease before and after May 10 was 4.00 and <0.01, respectively. The combined interventions reduced the transmissibility of COVID-19 by 99% and the number of cases by 98.36%.
WHAT ARE THE IMPLICATIONS FOR PUBLIC HEALTH PRACTICE?: The findings of this study would add data on the transmission of COVID-19 and provide evidence to prepare the second outbreak transmission of the disease in other areas of China even in many other countries.
关于该主题已知的信息有哪些？：通过数学模型计算得出，新冠病毒具有高传播性。在中国吉林省，该疾病的动态变化以及控制传播的干预措施的有效性仍不明确。
本报告新增了哪些内容？：这是第一项报告中国吉林省新冠疫情第二次暴发的动态特征并量化所实施干预措施有效性的研究。5月10日前后该疾病的有效再生数分别为4.00和<0.01。综合干预措施使新冠病毒的传播性降低了99%，病例数减少了98.36%。
对公共卫生实践有何启示？：本研究结果将补充有关新冠病毒传播的数据，并为中国其他地区乃至许多其他国家防范该疾病的第二次暴发传播提供证据。
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