Abstract:Background. Pooled data from observational studies suggest that patients with serum vitamin D levels below 30 ng/mL had an increased risk of infection and mortality from COVID-19. This rapid review aimed to determine the efficacy and safety of vitamin D as an adjunct treatment for COVID-19.
Methods. We searched MEDLINE (PubMed) and CENTRAL up to July 18, 2021. We also searched trial registries, gray literature, and reference lists of included and excluded studies in the search as well as COVID-19 guideli… Show more
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