Editorial: Vitamin D and COVID-19 in older age: evidence versus expectations
British Journal of General Practice, January 2021
" Although recently updated meta-analytic evidence continues to suggest a modest protective effect against acute respiratory infections for a daily vitamin D dose equivalent of 400–1000 international units (IU) (odds ratio 0.70; 95% confidence interval = 0.55 to 0.89),13
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Reference 13 follows:
Vitamin D supplementation to prevent acute respiratory infections: systematic review and meta-analysis of aggregate data from randomised controlled trials
Nov 2020 preprint, not peer reviewed
David A Jolliffe et al
 Download the preprint PDF from VitaminDWiki
This preprint had so many errors that it was not included in VitaminDWiki
That it ignored with weight/age of the participants was just one of many problems
The editorial authors claim that there have been no trials completed - but there have been
COVID-19 treated by Vitamin D - studies, reports, videos
As of Augest 11, 2022, the VitaminDWiki page had: 34 trials, 11 trial results, 37 meta-analyses and reviews, 69 observations, 38 recommendations, 55 associations, 89 speculations, 58 videos, 45 Mortality studies see related: Governments, HealthProblems, Hospitals, Dark Skins, 26 risk factors are ALL associated with low Vit D, Recent Virus pages Fight COVID-19 with 50K Vit D weekly Vaccines Take lots of Vitamin D at first signs of COVID 116 COVID Clinical Trials using Vitamin D (08/2022)
5 most-recently changed Virus entries
Many clinical trials are underway which are testing Vitamin D to fight COVID-19
The ones with shading have reported