Vitamin D is a hormone that acts on many genes expressed by immune cells. Evidence
linking vitamin D deficiency with COVID-19 severity is circumstantial but considerable—links …

INTRODUCTION Vitamin D and COVID-19 A growing number of concordant reports support
a protective role for vitamin D in reducing at least the risk/severity of respiratory tract …

To assess the evidence on SARS-CoV2 infection and Covid-19 in relation to deficiency and
supplementation of vitamin D, we conducted a systematic review up to April 2021. We …

Vitamin D is known not only for its importance for bone health but also for its biologic
activities on many other organ systems. This is due to the presence of the vitamin D receptor …

Vitamin D, when activated to 1, 25‐dihydroxyvitamin D, is a steroid hormone that induces
responses in several hundred genes, including many involved in immune responses to …

Objective This work aims to review and discuss controversial topics in the field of vitamin D,
SARS-CoV-2 infection, and COVID-19. Methods The International Conferences …

Background Disease severity and mortality rates due to COVID-19 infection are greater in
the elderly and chronically ill patients, populations at high risk for vitamin D deficiency …

There is growing evidence linking vitamin D deficiency with risk of COVID-19. It is therefore
distressing that there is major disagreement about the optimal serum level for 25 …

Vitamin D for COVID-19: where are we now? | Nature Reviews Immunology Skip to main
content Thank you for visiting nature.com. You are using a browser version with limited support …

The world is in the grip of the COVID-19 pandemic. Public health measures that can reduce
the risk of infection and death in addition to quarantines are desperately needed. This article …