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A Spatiotemporal Analysis of the COVID‐19 Pandemic in North Africa

Spatial panel‐data models are estimated to identify the factors of the prevalence of the coronavirus outbreak in North Africa. Using daily data on the number of cases collected between March 2020 and December 2021, three types of general models are investigated, and they include spatial spillovers b...

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Autor principal: Khedhiri, Sami
Formato: Online Artículo Texto
Lenguaje:English
Publicado: John Wiley and Sons Inc. 2022
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9243131/
https://www.ncbi.nlm.nih.gov/pubmed/35783234
http://dx.doi.org/10.1029/2022GH000630
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author Khedhiri, Sami
author_facet Khedhiri, Sami
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description Spatial panel‐data models are estimated to identify the factors of the prevalence of the coronavirus outbreak in North Africa. Using daily data on the number of cases collected between March 2020 and December 2021, three types of general models are investigated, and they include spatial spillovers between the neighboring countries of the region. In one model the spatial dependence is accounted for by adding a spatial lag of the dependent variable (SAR model). In an alternative specification, spatially correlated error terms are considered in the model (SEM), and in the third model a spatial lag dependent variable and spatially correlated errors are both added (SAC). To deal with unobservable individual heterogeneity, random and fixed individual effects specification are investigated in each of these models. The results of the maximum likelihood and generalized method of moments' estimations show that the lift of travel restrictions had an important impact on the spike in the numbers of COVID‐19 cases in North Africa and that the effects of endogenous interactions between the countries are strongly significant. It is found that spatial spillovers and a change in the travel policy are the main factors that can explain the mechanism of spread the coronavirus pandemic in North Africa. However, more data on socio‐demographic and behavioral variables and on vaccination rates are needed to better understand what caused the recent surge in the number of infections in the region.
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spelling pubmed-92431312022-07-02 A Spatiotemporal Analysis of the COVID‐19 Pandemic in North Africa Khedhiri, Sami Geohealth Research Article Spatial panel‐data models are estimated to identify the factors of the prevalence of the coronavirus outbreak in North Africa. Using daily data on the number of cases collected between March 2020 and December 2021, three types of general models are investigated, and they include spatial spillovers between the neighboring countries of the region. In one model the spatial dependence is accounted for by adding a spatial lag of the dependent variable (SAR model). In an alternative specification, spatially correlated error terms are considered in the model (SEM), and in the third model a spatial lag dependent variable and spatially correlated errors are both added (SAC). To deal with unobservable individual heterogeneity, random and fixed individual effects specification are investigated in each of these models. The results of the maximum likelihood and generalized method of moments' estimations show that the lift of travel restrictions had an important impact on the spike in the numbers of COVID‐19 cases in North Africa and that the effects of endogenous interactions between the countries are strongly significant. It is found that spatial spillovers and a change in the travel policy are the main factors that can explain the mechanism of spread the coronavirus pandemic in North Africa. However, more data on socio‐demographic and behavioral variables and on vaccination rates are needed to better understand what caused the recent surge in the number of infections in the region. John Wiley and Sons Inc. 2022-07-01 /pmc/articles/PMC9243131/ /pubmed/35783234 http://dx.doi.org/10.1029/2022GH000630 Text en © 2022 The Authors. GeoHealth published by Wiley Periodicals LLC on behalf of American Geophysical Union. https://creativecommons.org/licenses/by-nc-nd/4.0/This is an open access article under the terms of the http://creativecommons.org/licenses/by-nc-nd/4.0/ (https://creativecommons.org/licenses/by-nc-nd/4.0/) License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non‐commercial and no modifications or adaptations are made.
spellingShingle Research Article
Khedhiri, Sami
A Spatiotemporal Analysis of the COVID‐19 Pandemic in North Africa
title A Spatiotemporal Analysis of the COVID‐19 Pandemic in North Africa
title_full A Spatiotemporal Analysis of the COVID‐19 Pandemic in North Africa
title_fullStr A Spatiotemporal Analysis of the COVID‐19 Pandemic in North Africa
title_full_unstemmed A Spatiotemporal Analysis of the COVID‐19 Pandemic in North Africa
title_short A Spatiotemporal Analysis of the COVID‐19 Pandemic in North Africa
title_sort spatiotemporal analysis of the covid‐19 pandemic in north africa
topic Research Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9243131/
https://www.ncbi.nlm.nih.gov/pubmed/35783234
http://dx.doi.org/10.1029/2022GH000630
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