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Model discovered: More UV, less COVID (many excellent charts) – Sept 2022


Does climate help modeling COVID-19 risk and to what extent?

PLOS x https://doi.org/10.1371/journal.pone.0273078

Charts of model vs actual COVID for various countries and cities

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Model found the strongest atmospheric association of COVID to be with UV

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A growing number of studies suggest that climate may impact the spread of COVID-19.
This hypothesis is supported by data from similar viral contagions, such as

  • SARS and the
  • 1918 Flu Pandemic, and corroborated by
  • US influenza data.

However, the extent to which climate may affect COVID-19 transmission rates and help modeling COVID-19 risk is still not well understood. This study demonstrates that such an understanding is attainable through the development of regression models that verify how climate contributes to modeling COVID-19 transmission, and the use of feature importance techniques that assess the relative weight of meteorological variables compared to epidemiological, socioeconomic, environmental, and global health factors. The ensuing results show that meteorological factors play a key role in regression models of COVID-19 risk, with ultraviolet radiation (UV) as the main driver. These results are corroborated by statistical correlation analyses and a panel data fixed-effect model confirming that UV radiation coefficients are significantly negatively correlated with COVID-19 transmission rates

Model learned from 14 months of data from 152 countries

 Download the PDF from VitaminDWiki


R2 >0.9 indicates a strong assocation

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source of equation


VitaminDWiki - 15 studies in both categories Virus and UV

This list is automatically updated


Other Virus and UV on the web

  • Low Temperature and Low UV Indexes Correlated with Peaks of Influenza Virus Activity in Northern Europe during 2010⁻2018 - March 2019 doi: 10.3390/v11030207 FREE PDF
  • The virucidal effects of 405 nm visible light on SARS-CoV-2 and influenza A virus - Sept 2021 https://doi.org/10.1038/s41598-021-97797-0 FREE PDF
  • Associations between predicted vitamin D status, vitamin D intake, and risk of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection and coronavirus disease 2019 (COVID-19) severity April 2022 doi: 10.1093/ajcn/nqab389 FREE PDF

Most of the 29 meta-analyses have found more Vitamin D is associated with less COVID

This list is automatically updated


Reminded: UV produces Nitric Oxide (UVA) - perhaps enough from summer sun to make a difference

  • Ultraviolet A radiation and COVID-19 deaths in the USA with replication studies in England and Italy - Aug 2021 - https://doi: 10.1111/bjd.20093 FREE PDF
  • Ultraviolet Radiation A (UVA): Modulates the Production of Nitric Oxide (NO) to Combat COVID-19 Production of Nitric Oxide (NO) Coronavirus Disease - Jan 2021 ResearchGate FREE PDF
  • Nitric Oxide: The Missing Factor in COVID-19 Severity? - March 2022 https://doi: 10.3390/medsci10010003 FREE PDF
  • Harnessing nitric oxide for preventing, limiting and treating the severe pulmonary consequences of COVID-19 - Oct 2020 - https://doi.org/10.1016/j.niox.2020.07.003 FREE PDF
  • Putative roles of solar UVA and UVB exposure and vitamin D supplementation in reducing risk of SARS-CoV-2 infection and COVID-19 severity - April 2022 https://doi.org/10.1093/ajcn/nqab437 FREE PDF




Created by admin. Last Modification: Wednesday September 14, 2022 02:31:34 GMT-0000 by admin. (Version 28)

Attached files

ID Name Comment Uploaded Size Downloads
18417 R2.jpg admin 12 Sep, 2022 02:07 5.56 Kb 47
18416 COVID Spearman.jpg admin 12 Sep, 2022 01:17 77.05 Kb 50
18415 UVB COVID 2.jpg admin 12 Sep, 2022 01:10 92.52 Kb 88
18414 UVB COVID 1.jpg admin 12 Sep, 2022 01:10 90.21 Kb 108
18413 More UVB, less COVID_CompressPdf.pdf PDF 2022 admin 12 Sep, 2022 01:09 631.14 Kb 11
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