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Evidence of protective role of Ultraviolet-B (UVB) radiation in reducing COVID-19 deaths.


ABSTRACT: Prior studies indicate the protective role of Ultraviolet-B (UVB) radiation in human health, mediated by vitamin D synthesis. In this observational study, we empirically outline a negative association of UVB radiation as measured by ultraviolet index (UVI) with the number of COVID-19 deaths. We apply a fixed-effect log-linear regression model to a panel dataset of 152 countries over 108 days (n?=?6524). We use the cumulative number of COVID-19 deaths and case-fatality rate (CFR) as the main dependent variables and isolate the UVI effect from potential confounding factors. After controlling for time-constant and time-varying factors, we find that a permanent unit increase in UVI is associated with a 1.2 percentage points decline in daily growth rates of cumulative COVID-19 deaths [p?

SUBMITTER: Moozhipurath RK 

PROVIDER: S-EPMC7572372 | biostudies-literature | 2020 Oct

REPOSITORIES: biostudies-literature

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Evidence of protective role of Ultraviolet-B (UVB) radiation in reducing COVID-19 deaths.

Moozhipurath Rahul Kalippurayil RK   Kraft Lennart L   Skiera Bernd B  

Scientific reports 20201019 1


Prior studies indicate the protective role of Ultraviolet-B (UVB) radiation in human health, mediated by vitamin D synthesis. In this observational study, we empirically outline a negative association of UVB radiation as measured by ultraviolet index (UVI) with the number of COVID-19 deaths. We apply a fixed-effect log-linear regression model to a panel dataset of 152 countries over 108 days (n = 6524). We use the cumulative number of COVID-19 deaths and case-fatality rate (CFR) as the main depe  ...[more]

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