Laird, E. & Rhodes, Jonathan & Kenny, R. (2020). Vitamin D and Inflammation: Potential Implications for Severity of Covid-19. Irish medical journal. 113. 81.
In this article, general information about COVID-19 infection and mortality rate and vitamin D levels were collected from European countries and analyzed. It appears high COVID-19 infection and mortality rate coincides with low vitamin D levels. However, research should be performed to validate this link. It is therefore suggested that governments should urge hospitals to measure vitamin D status when patients are hospitalized.