大城市新冠肺炎疫情风险评估与精准防控对策——以郑州市为例
赵宏波(1985—),男,河南长垣人,副教授,硕士生导师。主要研究方向为经济地理与区域发展。E-mail:zhaohbhhwm@163.com。 |
收稿日期: 2020-02-27
修回日期: 2020-04-01
网络出版日期: 2025-04-08
基金资助
国家自然科学基金项目(41501128)
国家自然科学基金项目(41430637)
中国博士后科学基金项目(2015M582181)
河南省科技发展计划项目(172400410410)
河南省科技发展计划项目(182400410143)
The Risk Assessment of Covid-2019 Epidemic in Metropolis and Precise Prevention and Control Measures: A Case Study of Zhengzhou City
Received date: 2020-02-27
Revised date: 2020-04-01
Online published: 2025-04-08
赵宏波 , 魏甲晨 , 王爽 , 刘雅馨 , 李光慧 , 苗长虹 . 大城市新冠肺炎疫情风险评估与精准防控对策——以郑州市为例[J]. 经济地理, 2020 , 40(4) : 103 -109 . DOI: 10.15957/j.cnki.jjdl.2020.04.012
The novel coronavirus diseases 2019 (COVID-2019) is a worldwide public health emergency which is widely concerned in the world. In this study,the Zhengzhou City which was seriously affected by the epidemic,was selected as an case study to research the evolution trend,basic characteristics,spatial distribution and risk level assessment of the epidemic by using GIS spatial analysis technology,AHP and comprehensive weighting method. The results show that: 1) The prevention and control measures of the epidemic in Zhengzhou City are effective,which can effectively prevent the spread of the epidemic,and improve the cure rate of patients and reduce the mortality. 2) From the basic characteristics of the epidemic transmission,the proportion of male cases is higher than that of female cases,and the main age is young (18-40 years old) and middle-aged (41-65 years old). As time goes on,the number of imported infections is gradually decreasing,and the epidemic cases of family cluster infection and intensive contact infection are dominant in the current epidemic development process,and the source of epidemic cases is mainly the urban area of Zhengzhou city. 3) The spatial distribution of the epidemic was significantly different. At the county level,there are more confirmed cases in Jinshui District,Guancheng District,Erqi District,Zhongyuan District and Gongyi City. At the city street scale,they are mainly distributed in densely populated areas within the Third Ring Road of the central city. 4) The areas with higher risk level are mainly located in Jinshui District,Erqi District,Zhongyuan District and Guancheng District,and the areas with lower risk level are mainly located in Xinmi City,Xinzheng City and Zhongmou county. The research conclusion can provide reference for Zhengzhou city to formulate precise epidemic prevention and control measures.
表1 风险评估的指标与权重Tab.1 Index and weight of risk assessment |
指标名称 | 权重 | 数据来源 | 效应 |
---|---|---|---|
近7天新增病例数(E1) | 0.33 | 官方公布 | 该值越大,表明风险越高 |
累计确诊病例数(E2) | 0.48 | 官方公布 | 该值越大,表明风险越高 |
聚集性疫情起数(E3) | 0.07 | 官方公布活动轨迹整理 | 该值越大,表明风险越高 |
本地区发病占比(E4) | 0.12 | 累计确诊人数/当地常住人口 | 该值越大,表明风险越高 |
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