There is still limited evidence regarding the influence of vitamin D in people with COVID-19.
In this systematic review and meta-analysis, we analyze the association between vitamin D …

Introduction The COVID-19 pandemic has created a public health crisis, infected millions of
people, and caused a significant number of deaths. SARS-CoV-2 transmits from person to …

Importance The efficacy of vitamin D 3 supplementation in coronavirus disease 2019
(COVID-19) remains unclear. Objective To investigate the effect of a single high dose of …

Importance There is limited evidence regarding early treatment of novel severe acute
respiratory syndrome coronavirus 2 (SARS-CoV-2) infection to mitigate symptom …

Background Vitamin D has an immunomodulatory role but the effect of therapeutic vitamin D
supplementation in SARS-CoV-2 infection is not known. Aim Effect of high dose, oral …

Background. The objective of this quasi-experimental study was to determine whether bolus
vitamin D supplementation taken either regularly over the preceding year or after the …

Background: Several studies suggest an association between serum 25-hydroxyvitamin D
(25OHD) and the outcomes of Severe Acute Respiratory Syndrome Corona-Virus-2 (SARS …

Vitamin D may be a central biological determinant of COVID-19 outcomes. The objective of
this quasi-experimental study was to determine whether bolus vitamin D3 supplementation …

The principal source of vitamin D in humans is its biosynthesis in the skin through a
chemical reaction dependent on sun exposure. In lesser amounts, the vitamin can be …

Introduction: The coronavirus disease-2019 (COVID-19) pandemic has been the most
significant event in 2020, with~ 86.8 million cases and 1.88 million deaths worldwide. It is a …