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More UVB, less Coronavirus – including SARS-CoV-2 – Aug 2020

Sunlight ultraviolet radiation dose is negatively correlated with the percent positive of SARS-CoV-2 and four other common human coronaviruses in the U.S

Sci Total Environ. 2020 Aug 19;751:141816. doi: 10.1016/j.scitotenv.2020.141816
Liwei Tang 1, Min Liu 2, Bingyu Ren 3, Zongting Wu 4, Xunci Yu 3, Chen Peng 5, Jing Tian 6
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Human coronaviruses are RNA viruses that are sensitive to ultraviolet (UV) radiation. Sunlight contains UVA (320-400 nm), UVB (260-320 nm) and UVC (200-260 nm) action spectra. UVC can inactivate coronaviruses, including severe acute respiratory syndrome-coronavirus-2 (SARS-CoV-2). The incidence and mortality of coronavirus disease 2019 (COVID-19) are considered to be correlated with vitamin D levels. Vitamin D synthesis in human skin is closely related to exposure to UVB radiation. Therefore, the incidence and mortality of COVID-19 are also considered to be correlated with Vitamin D levels. In this study, Spearman and Kendall rank correlation analysis tests were used to analyze the correlation between the average percent positive of five human coronaviruses (SARS-CoV-2, CoVHKU1, CoVNL63, CoVOC43, and CoV229E) in the U.S. and the corresponding sunlight UV radiation dose The results indicated that the monthly average percent positive of four common coronaviruses was significantly negatively correlated with the sunlight UV radiation dose. The weekly percent positive of SARS-CoV-2 during April 17, 2020 to July 10, 2020 showed a significant negative correlation with the sunlight UV radiation dose in census regions 1 and 2 of the U.S. while no statistical significance in the other regions. Additionally, sunlight UV radiation also showed some negative effects with respect to the early SARS-CoV-2 transmission.


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Created by admin. Last Modification: Monday August 31, 2020 15:33:27 GMT-0000 by admin. (Version 6)

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14223 More UVB, less SARS-CoV-2_compressed.pdf PDF 2020 admin 30 Aug, 2020 12:44 497.33 Kb 32
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