UV, ozone, and COVID-19 transmission in Ontario, Canada using generalised linear models

To, Teresa; Zhang, Kimball; Maguire, Bryan; Terebessy, Emilie; Fong, Ivy; Parikh, Supriya; Zhu, Jingqin; Su, Yushan

doi:10.1016/j.envres.2020.110645

Cited by 20 publications

(29 citation statements)

References 36 publications

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“…Positive results on the influence of PM on SARS-CoV-2 transmission have been reported by Setti et al (2020a , b) and Tung et al (2021) for PM 2.5 and PM 10 , and by Kayalar et al (2021) and Nor et al (2021) for PM 2.5 . Nevertheless, there is no specific reports on the potential influence of NO 2 , SO 2 and CO, while for O 3 only To et al (2021) have found a positive result. By contrast, a negative association between the transmission of SARS-CoV-2 and air pollution was reported by Linillos-Pradillo et al (2021) for PM 2.5 and PM 10 , and by Pivato et al (2021) for PM 10 .…”

Section: Discussionmentioning

confidence: 92%

“…(2021) stated that “ even based on evidence available prior to the COVID-19 pandemic, air pollution is likely to incrementally increase the risk of COVID-19, as it does other respiratory infections ”. In another vein, To et al (2021) examined the association of UV radiation, O 3 , and the incidence of COVID-19 in Ontario, from January to June 2020. The influence of UV radiation was examined taking into account that it is a natural environmental antimicrobial, while the effects of O 3 were assessed not for being an air pollutant, but due to its antimicrobial properties.…”

Section: Recent Studies By Continents and Countriesmentioning

confidence: 99%

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Positive association between outdoor air pollution and the incidence and severity of COVID-19. A review of the recent scientific evidences

Marquès

Domingo

2022

Environmental Research

114

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In June 2020, we published a review focused on assessing the influence of various air pollutants on the transmission of SARS-CoV-2, and the severity of COVID-19 in patients infected by the coronavirus. The results of most of those reviewed studies suggested that chronic exposure to certain air pollutants might lead to more severe and lethal forms of COVID-19, as well as delays/complications in the recovery of the patients. Since then, a notable number of studies on this topic have been published, including also various reviews. Given the importance of this issue, we have updated the information published since our previous review. Taking together the previous results and those of most investigations now reviewed, we have concluded that there is a significant association between chronic exposure to various outdoor air pollutants: PM 2.5 , PM 10 , O 3 , NO 2 , SO 2 and CO, and the incidence/risk of COVID-19 cases, as well as the severity/mortality of the disease. Unfortunately, studies on the potential influence of other important air pollutants such as VOCs, dioxins and furans, or metals, are not available in the scientific literature. In relation to the influence of outdoor air pollutants on the transmission of SARS-CoV-2, although the scientific evidence is much more limited, some studies point to PM 2.5 and PM 10 as potential airborne transmitters of the virus. Anyhow, it is clear that environmental air pollution plays an important negative role in COVID-19, increasing its incidence and mortality.

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Section: Discussionmentioning

confidence: 92%

Section: Recent Studies By Continents and Countriesmentioning

confidence: 99%

Positive association between outdoor air pollution and the incidence and severity of COVID-19. A review of the recent scientific evidences

Marquès

Domingo

2022

Environmental Research

114

View full text Add to dashboard Cite

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“…Global studies show that as the UV index increases, the number of COVID-19 cases decreases ( Gunthe et al, 2020 ). High solar radiation decreased COVID-19 spread/infectivity in some countries or provinces such as Italy ( Isaia et al, 2020 ) and Ontario, Canada ( To et al, 2021b ). As for the coronavirus itself, a study in Iran found that solar radiation threatens the survival of coronavirus ( Ahmadi et al, 2020 ).…”

Section: Resultsmentioning

confidence: 99%

Environment and COVID-19 incidence: A critical review

Han

Yin

et al. 2023

Journal of Environmental Sciences

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“…Several recent studies also highlighted the impact of UV radiation on COVID‐19 incidence [ 60 , 61 , 62 , 63 , 64 , 65 ]. Using machine‐learning approaches, Karapiperis et␣al .…”

Section: Discussionmentioning

confidence: 99%

“…Several recent studies also highlighted the impact of UV radiation on COVID-19 incidence [60][61][62][63][64][65]. Using machine-learning approaches, Karapiperis et al [62] demonstrated that UV radiation is an influential factor for COVID-19 incidence rates, as compared to other factors, such as human mobility.…”

Section: Discussionmentioning

confidence: 99%

Seasonal UV exposure and vitamin D: association with the dynamics of COVID‐19 transmission in Europe

et al. 2021

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Several recent studies have demonstrated that low plasma 25(OH) vitamin D levels are associated with the risk of COVID‐19 infection. The primary source of vitamin D production in humans is environmental UV radiation. In many viral respiratory diseases, peak infection rates are observed during winter due to reduced UV exposure and low temperatures. In Europe, the second wave of COVID‐19 began early in the winter of 2020. Investigating the impact of seasonal temperature and UV exposure on COVID‐19 transmission could thus aid in prevention and intervention. As such, we first performed a comprehensive meta‐analysis of all related published literature based on the association between vitamin D and COVID‐19, which supported the hypothesis that the low vitamin D level is a critical risk factor for COVID‐19 infection. Next, to understand the potential impact of seasonal UV and temperature levels on COVID‐19 cases, we analyzed meteorological data and daily COVID‐19 cases per million in the populations of 26 European countries. We observed that low temperature, UV index, and cloud‐free vitamin D UV dose (UVDVF) levels are negatively correlated with COVID‐19 prevalence in Europe. Furthermore, a distributed lag nonlinear model was used to assess the nonlinear delayed effects of individual seasonal factors on COVID‐19 cases. Such analysis highlighted the significantly delayed impact of UVDVF on the cumulative relative risk of COVID‐19 infection. The findings of this study suggest that low UV exposure can affect the required production of vitamin D in the body, which substantially influences the dynamics of COVID‐19 transmission and severity.

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UV, ozone, and COVID-19 transmission in Ontario, Canada using generalised linear models

Cited by 20 publications

References 36 publications

Positive association between outdoor air pollution and the incidence and severity of COVID-19. A review of the recent scientific evidences

Positive association between outdoor air pollution and the incidence and severity of COVID-19. A review of the recent scientific evidences

Environment and COVID-19 incidence: A critical review

Seasonal UV exposure and vitamin D: association with the dynamics of COVID‐19 transmission in Europe

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