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 …

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

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 …

Cytokine release syndrome (CRS) is a major cause of the multi-organ injury and fatal
outcome induced by SARS-CoV-2 infection in severe COVID-19 patients. Metabolism can …

Background Observational studies suggest that the risk and clinical prognosis of coronavirus
disease 2019 (COVID-19) are related to low vitamin D status; however, the data are …

OBJECTIVES Although vaccination has started, coronavirus disease 2019 (COVID-19)
poses a continuing threat to public health. Therefore, in addition to vaccination, the use of …

This systematic review was conducted to summarize and clarify the evidence on the
association between 25-hydroxyvitamin-D [25 (OH) D] concentrations and coronavirus …

The new coronavirus disease 2019 (COVID-19) pandemic is an emerging situation with high
rates of morbidity and mortality, in the pathophysiology of which inflammation and …

Background We sought to evaluate the association between vitamin D deficiency and the
severity of coronavirus disease 2019 (COVID‐19) infection. Methods Multiple databases …

Importance Deficient (ie,< 20 ng/mL) or insufficient (ie, 20 to< 30 ng/mL) 25-hydroxyvitamin
D (also known ascalcifediol) levels are more common in Black individuals than White …