2020
DOI: 10.21203/rs.3.rs-30393/v1
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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 several 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 transmission rates and patterns from February 23 to April 16 across 1… Show more

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Cited by 6 publications
(13 citation statements)
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References 28 publications
(38 reference statements)
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“…The statistically very highly significant negative correlation of the basic reproductive number of SARS-CoV-2 virus infection with both the mean temperature and humidity obtained in our research (Figure 6D) is consistent with the results of other relevant papers, e.g., (Mecenas et al, 2020). For example, a similar correlation was obtained in a study that analyzed COVID-19 outbreak in the cities of Chile-a country that covers several climate zones, but where it is still safe to assume that social patterns of behavior and introduced epidemic control measures do not drastically differ throughout the country (Correa-Araneda et al, 2020). Effectively the same conclusion-that fewer COVID-19 cases were reported in countries with higher temperatures and humidities-was reached in a study covering over 200 countries in the world (Iqbal et al, 2020).…”
Section: Discussionsupporting
confidence: 93%
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“…The statistically very highly significant negative correlation of the basic reproductive number of SARS-CoV-2 virus infection with both the mean temperature and humidity obtained in our research (Figure 6D) is consistent with the results of other relevant papers, e.g., (Mecenas et al, 2020). For example, a similar correlation was obtained in a study that analyzed COVID-19 outbreak in the cities of Chile-a country that covers several climate zones, but where it is still safe to assume that social patterns of behavior and introduced epidemic control measures do not drastically differ throughout the country (Correa-Araneda et al, 2020). Effectively the same conclusion-that fewer COVID-19 cases were reported in countries with higher temperatures and humidities-was reached in a study covering over 200 countries in the world (Iqbal et al, 2020).…”
Section: Discussionsupporting
confidence: 93%
“…The present paper aimed to establish relations between the COVID-19 transmissibility and a large number of demographic and weather parameters. As a measure of COVID-19 transmissibility, we have chosen the basic reproduction number R 0 -a quantity that is essentially independent of the variations in both the testing policies and the introduced social measures (as discussed in the Introduction), in distinction to many studies on transmissibility that relied on the total number of detected case counts [see e.g., (Adhikari and Yin, 2020;Correa-Araneda et al, 2020;Fareed et al, 2020;Gupta et al, 2020;Iqbal et al, 2020;Li et al, 2020;Pourghasemi et al, 2020;Rashed et al, 2020;Singh and Agarwal, 2020)]. We have covered a substantial number of demographic and weather parameters, and included in our analysis all world countries that were significantly affected by the COVID-19 pandemic (and had a reasonable consistency in tracking the early phase of infection progression).…”
Section: Discussionmentioning
confidence: 99%
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“…There are researches also showing that air pollution increases pre-existing health problems such as diabetes, lung diseases, asthma, heart diseases and cancer, which cause COVID-19 to be more serious and fatal (Brazil [42], Chile [43], China [44,45], Germany [46], Iran [47], Iraq [48], Indonesia [49], India [50], Italy [51][52][53], Japan [54], Malaysia [55], Mexico [56], Norway [57], Spain [58], China, Italy and USA [59][60][61], Singapore [62], Turkey [63]).…”
Section: The Environmental Impacts Of Covid-19mentioning
confidence: 99%