Insights into Controlling the Spread of COVID-19: A Study Inspired by Seven of the Earliest Vaccinated Countries.

Publisher: Hindawi Pub. Corp Country of Publication: United States NLM ID: 101516361 Publication Model: eCollection Cited Medium: Internet ISSN: 1687-9813 (Electronic) Linking ISSN: 16879805 NLM ISO Abbreviation: J Environ Public Health Subsets: MEDLINE

Original Publication: New York, NY : Hindawi Pub. Corp., [2009]-[2024]

COVID-19*/epidemiology ; COVID-19*/prevention & control ; Vaccines*; COVID-19 Vaccines ; Canada/epidemiology ; Humans ; Israel ; United States/epidemiology

Background: The aim of the study is to derive deeper insights into the control of the spread of COVID-19 during the second half of 2021, from seven countries that are among the earliest to have accelerated the deployment of COVID-19 vaccines. Methodology . This study used data from the Global COVID-19 Index and Google COVID-19 Community Mobility Reports. Data was extracted on the 5 ^th of each month from July to December 2021. Seven countries were selected-United Kingdom, United States of America, Israel, Canada, France, Italy, and Austria. The sample comprised number of new cases, hospitalisations, ICU admissions and deaths due to COVID-19, government stringency measures, partial and full vaccination coverage, and changes in human mobility. Principal component analysis was conducted, and the results were interpreted and visualized through 2-dimensional and 3-dimensional plots to reveal the systematic patterns of the data.
Results: The first three principal components captured around 77.3% of variance in the data. The first component was driven by the spread of COVID-19 (31.6%), the second by mobility activities (transit, retail, and recreational) (24.3%), whereas the third by vaccination coverage, workplace-related mobility, and government stringency measures (21.4%). Visualizations showed lower or moderate levels of severity in COVID-19 during this period for most countries. By contrast, the surge in the USA was more severe especially in September 2021. Human mobility activities peaked in September for most countries and then receded in the following months as more stringent government measures were imposed, and countries began to grapple with a surge in COVID-19 cases.
Conclusion: This study delineated the spread of COVID-19, human mobility patterns, widespread vaccination coverage, and government stringency measures on the overall control of COVID-19. While at least moderate levels of stringency measures are needed, high vaccine coverage is particularly important in curbing the spread of this disease.
Competing Interests: The authors declare that they have no conflicts of interest.
(Copyright © 2022 Jane K. L. Teh et al.)

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0 (COVID-19 Vaccines)
0 (Vaccines)

Date Created: 20220930 Date Completed: 20221003 Latest Revision: 20221103

20240513

PMC9514916

10.1155/2022/4533957

36176969