Abstract
Few study has revealed spatial transmission characteristics of COVID-19 in Wuhan, China. We aimed to analyze the spatiotemporal spread of COVID-19 in Wuhan and its influence factors. Information of 32,682 COVID-19 cases reported through March 18 were extracted from the national infectious disease surveillance system. Geographic information system methods were applied to analysis transmission of COVID-19 and its influence factors in different periods. We found decrease in effective reproduction number (Rt) and COVID-19 related indicators through taking a series of effective public health measures including restricting traffic, centralized quarantine and strict stay-at home policy. The distribution of COVID-19 cases number in Wuhan showed obvious global aggregation and local aggregation. In addition, the analysis at streets-level suggested population density and the number of hospitals were associated with COVID-19 cases number. The epidemic situation showed obvious global and local spatial aggregations. High population density with larger number of hospitals may account for the aggregations. The epidemic in Wuhan was under control in a short time after strong quarantine measures and restrictions on movement of residents were implanted.
Highlights
Coronavirus disease 2019 (COVID-19), a new type of pneumonia caused by Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2), was first reported in early December 2019 in Wuhan, China
Experiments on humans and/or use of human clinical data were not included in this study, so we reported it according to general epidemiological studies
The results suggested that all COVID-19 indictors
Summary
Coronavirus disease 2019 (COVID-19), a new type of pneumonia caused by Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2), was first reported in early December 2019 in Wuhan, China. In mid-January of 2020, some clinicians observed that COVID-19 had strong interpersonal transmission capabilities and could spread through airborne droplets or close c ontact[1,2] This disease caused an outbreak in Wuhan. On Jan.[23], the government required all residents to stay at home as much as possible, interrupted public traffic in the city, and suspended all transport links with other areas. In this period, mild cases and close contacts were required to be isolated at home. A spatiotemporal analysis of COVID-19 transmission and its potential driving factors in Wuhan as of Mar. 18, 2020 by using GIS methods
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