The Spatio-Temporal Spread Characteristics of 2019 Novel Coronavirus Pneumonia and Risk Assessment Based on Population Movement in Henan Province:Analysis of 1 243 Individual Case Reports
Received date: 2020-02-13
Revised date: 2020-03-22
Online published: 2025-04-11
Based on 1 243 novel coronavirus pneumonia individual cases collected in Henan province and a suite of exploratory spatial data analysis techniques,this paper analyzed the spatio-temporal spread characteristics of the 2019 novel coronavirus pneumonia at the county spatial scale,focusing on total counts,imported cases from Wuhan or Hubei province,and local diffusion/spread ratio. We further evaluated the risk of 2019 novel coronavirus pneumonia faced by each county after the Spring Festival based on population movement. The epidemic situation of COVID-19 in Henan Province has experienced a process of occurrence,rapid development and stable development,at present,the "S" curve of the total number of cases and diffusion ratio has been shown. In addition,the total counts and imported cases of novel coronavirus pneumonia presented significant spatial clustering patterns,with high values mainly distributed in the districts/counties of Xinyang and some districts/counties of Nanyang,Zhumadian and Zhengzhou cities. This likely reflects the potential geographical and network proximity effects. In contrast,the districts/counties with high local diffusion are spatially dispersed due to the fact that most of infected cases were of family-agglomeration diffusion. Considering the influences of population movement,the relative risk associated with population inflow and outflow was found higher in the core urban areas of Xinyang city and surrounding counties,as well as the core urban areas of Anyang,Zhengzhou,Xuchang and Pingdingshan cities. Finally,some strategic suggestions on the prevention and control of epidemic diseases were proposed based on our key findings.
LIU Yong , YANG Dongyang , DONG Guanpeng , ZHANG Hang , MIAO Changhong . The Spatio-Temporal Spread Characteristics of 2019 Novel Coronavirus Pneumonia and Risk Assessment Based on Population Movement in Henan Province:Analysis of 1 243 Individual Case Reports[J]. Economic geography, 2020 , 40(3) : 24 -32 . DOI: 10.15957/j.cnki.jjdl.2020.03.004
表1 考虑确诊病例与人口流动的风险类型划分标准Tab.1 Assessment criteria for epidemic risk type categorization |
类型 | 确诊病例(人) | 人口流动 |
---|---|---|
高风险人口流入区 | 人口流入 | |
高风险人口流出区 | 人口流出 | |
中风险人口流入区 | 人口流入 | |
中风险人口流出区 | 人口流出 | |
低风险区 | - |
河南大学黄河文明与可持续发展研究中心的研究生韩叶青、齐莹和任浩敏在病例搜集和信息提取方面做了大量工作,在此表示感谢。
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