Vitamin D supplementation to prevent acute respiratory infections: systematic review and meta-analysis of aggregate data from randomised controlled trials

7/17 Pre-Exposure Prophylaxis study (treated before exposed to the virus)

Jolliffe et al., medRxiv, doi:10.1101/2020.07.14.20152728 (Preprint) (meta analysis)
Vitamin D supplementation to prevent acute respiratory infections: systematic review and meta-analysis of aggregate data from randomised controlled trials

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Meta analysis of 40 RCTs showing that vitamin D supplementation is safe and reduced risk of acute respiratory infections, odds ratio OR 0.89 [0.81-0.98].

Jolliffe et al., 7/17/2020, preprint, 41 authors.

All 131 studies Meta Analysis

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