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

Moozhipurath, Rahul Kalippurayil, Kraft, Lennart and Skiera, Bernd 2020, Evidence of protective role of Ultraviolet-B (UVB) radiation in reducing COVID-19 deaths, Scientific Reports, vol. 10, no. 1, pp. 1-10, doi: 10.1038/s41598-020-74825-z.

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Title Evidence of protective role of Ultraviolet-B (UVB) radiation in reducing COVID-19 deaths
Author(s) Moozhipurath, Rahul Kalippurayil
Kraft, Lennart
Skiera, BerndORCID iD for Skiera, Bernd orcid.org/0000-0001-9285-2013
Journal name Scientific Reports
Volume number 10
Issue number 1
Article ID 17705
Start page 1
End page 10
Total pages 10
Publisher Springer
Place of publication Berlin, Germany
Publication date 2020
ISSN 2045-2322
Summary AbstractPrior 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 < 0.01] and a 1.0 percentage points decline in the CFR daily growth rate [p < 0.05]. These results represent a significant percentage reduction in terms of daily growth rates of cumulative COVID-19 deaths (− 12%) and CFR (− 38%). We find a significant negative association between UVI and COVID-19 deaths, indicating evidence of the protective role of UVB in mitigating COVID-19 deaths. If confirmed via clinical studies, then the possibility of mitigating COVID-19 deaths via sensible sunlight exposure or vitamin D intervention would be very attractive.
Language eng
DOI 10.1038/s41598-020-74825-z
Indigenous content off
HERDC Research category C1.1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Free to Read? Yes
Persistent URL http://hdl.handle.net/10536/DRO/DU:30144682

Document type: Journal Article
Collections: Faculty of Business and Law
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Every reasonable effort has been made to ensure that permission has been obtained for items included in DRO. If you believe that your rights have been infringed by this repository, please contact drosupport@deakin.edu.au.