Environmental determinants of COVID-19 transmission across a wide climatic gradient in Chile

Abstract Several studies have examined the transmission dynamics of the novel COVID-19 disease in different parts of the world. Some have reported relationships with various environmental variables, suggesting that spread of the disease is enhanced in colder and drier climates. However, evidence is...

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Autores principales:	Francisco Correa-Araneda, Alfredo Ulloa-Yáñez, Daniela Núñez, Luz Boyero, Alan M. Tonin, Aydeé Cornejo, Mauricio A. Urbina, María Elisa Díaz, Guillermo Figueroa-Muñoz, Carlos Esse
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/de833d982504432fa39472482f9af617
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spelling	oai:doaj.org-article:de833d982504432fa39472482f9af6172021-12-02T15:36:13ZEnvironmental determinants of COVID-19 transmission across a wide climatic gradient in Chile10.1038/s41598-021-89213-42045-2322https://doaj.org/article/de833d982504432fa39472482f9af6172021-05-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-89213-4https://doaj.org/toc/2045-2322Abstract Several studies have examined the transmission dynamics of the novel COVID-19 disease in different parts of the world. Some have reported relationships with various environmental variables, suggesting that spread of the disease is enhanced in colder and drier climates. However, evidence is still scarce and mostly limited to a few countries, particularly from Asia. We examined the potential role of multiple environmental variables in COVID-19 infection rate [measured as mean relative infection rate = (number of infected inhabitants per week / total population) × 100.000) from February 23 to August 16, 2020 across 360 cities of Chile. Chile has a large climatic gradient (≈ 40º of latitude, ≈ 4000 m of altitude and 5 climatic zones, from desert to tundra), but all cities share their social behaviour patterns and regulations. Our results indicated that COVID-19 transmission in Chile was mostly related to three main climatic factors (minimum temperature, atmospheric pressure and relative humidity). Transmission was greater in colder and drier cities and when atmospheric pressure was lower. The results of this study support some previous findings about the main climatic determinants of COVID-19 transmission, which may be useful for decision-making and management of the disease.Francisco Correa-AranedaAlfredo Ulloa-YáñezDaniela NúñezLuz BoyeroAlan M. ToninAydeé CornejoMauricio A. UrbinaMaría Elisa DíazGuillermo Figueroa-MuñozCarlos EsseNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-8 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Francisco Correa-Araneda Alfredo Ulloa-Yáñez Daniela Núñez Luz Boyero Alan M. Tonin Aydeé Cornejo Mauricio A. Urbina María Elisa Díaz Guillermo Figueroa-Muñoz Carlos Esse Environmental determinants of COVID-19 transmission across a wide climatic gradient in Chile
description	Abstract Several studies have examined the transmission dynamics of the novel COVID-19 disease in different parts of the world. Some have reported relationships with various environmental variables, suggesting that spread of the disease is enhanced in colder and drier climates. However, evidence is still scarce and mostly limited to a few countries, particularly from Asia. We examined the potential role of multiple environmental variables in COVID-19 infection rate [measured as mean relative infection rate = (number of infected inhabitants per week / total population) × 100.000) from February 23 to August 16, 2020 across 360 cities of Chile. Chile has a large climatic gradient (≈ 40º of latitude, ≈ 4000 m of altitude and 5 climatic zones, from desert to tundra), but all cities share their social behaviour patterns and regulations. Our results indicated that COVID-19 transmission in Chile was mostly related to three main climatic factors (minimum temperature, atmospheric pressure and relative humidity). Transmission was greater in colder and drier cities and when atmospheric pressure was lower. The results of this study support some previous findings about the main climatic determinants of COVID-19 transmission, which may be useful for decision-making and management of the disease.
format	article
author	Francisco Correa-Araneda Alfredo Ulloa-Yáñez Daniela Núñez Luz Boyero Alan M. Tonin Aydeé Cornejo Mauricio A. Urbina María Elisa Díaz Guillermo Figueroa-Muñoz Carlos Esse
author_facet	Francisco Correa-Araneda Alfredo Ulloa-Yáñez Daniela Núñez Luz Boyero Alan M. Tonin Aydeé Cornejo Mauricio A. Urbina María Elisa Díaz Guillermo Figueroa-Muñoz Carlos Esse
author_sort	Francisco Correa-Araneda
title	Environmental determinants of COVID-19 transmission across a wide climatic gradient in Chile
title_short	Environmental determinants of COVID-19 transmission across a wide climatic gradient in Chile
title_full	Environmental determinants of COVID-19 transmission across a wide climatic gradient in Chile
title_fullStr	Environmental determinants of COVID-19 transmission across a wide climatic gradient in Chile
title_full_unstemmed	Environmental determinants of COVID-19 transmission across a wide climatic gradient in Chile
title_sort	environmental determinants of covid-19 transmission across a wide climatic gradient in chile
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/de833d982504432fa39472482f9af617
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Environmental determinants of COVID-19 transmission across a wide climatic gradient in Chile

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