Study of Spatio-Temporal Evolution, Integrated Prevention, and Control Measures of COVID-19 in the Yangtze River Delta.

ABSTRACT:

Objective

The study analyzes the spatial characteristics of the epidemic. It evaluates the effectiveness of its differentiated prevention and control policies implemented at different stages of the epidemic in the Yangtze River Delta.

Methods

The study divided the epidemic into 2 stages and analyzed the spatial evolution characteristics of the COVID-19 epidemic in the region by using Anselin Local Moran's I and standard deviation ellipse.

Results

In the first stage, the high value of confirmed cases was concentrated in the eastern and southern cities. The trajectory of the barycenter showed a V-shaped change characterized by a southward shift followed by a northward fluctuation. In contrast, the second stage was mainly concentrated in Jiangsu Province and Shanghai, an

SUBMITTER: Yang L 

PROVIDER: S-EPMC10019931 | biostudies-literature | 2022 Dec

REPOSITORIES: biostudies-literature