Introduction Vitamin D levels have been reported to be associated with COVID-19
susceptibility, severity, and mortality events. We performed a meta-analysis of randomized …

Background To investigate the association between serum 25-hydroxyvitamin D levels and
its effect on adverse clinical outcomes, and parameters of immune function and mortality due …

Purpose As the world continues to cautiously navigate its way through the coronavirus
disease 2019 (COVID-19) pandemic, several breakthroughs in therapies and vaccines are …

Background Evidence recommends that vitamin D might be a crucial supportive agent for
the immune system, mainly in cytokine response regulation against COVID‐19. Hence, we …

Vitamin D modulates the systemic inflammatory response through interaction with immune
system. As such, it has a possible protective role against the risk of respiratory tract …

Vitamin D has many protective properties and potential role against acute lung injury. Low
serum vitamin D is associated with high risk of pneumonia and development of acute …

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 …

Objective The relationship between 25-hydroxyvitamin D3 (25 (OH) D), the surrogate marker
for vitamin D3, serum concentration and COVID-19 has come to the forefront as a potential …

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 …

Vitamin D is proposed to have a potential role in the pathogenicity, clinical presentation,
prognosis, complications, and treatment of several diseases. In addition to its well-known …