Vitamin D deficiency co-exists in patients with COVID-19. At this time, dark skin color,
increased age, the presence of pre-existing illnesses and vitamin D deficiency are features …

As the world's attention has been riveted upon the growing COVID-19 pandemic, many
researchers have written brief reports supporting the hypothesis that vitamin D deficiency is …

Results: The 28 studies summarized in this review provide observational findings that
vitamin D levels are related to the incidence, severity, and mortality rate of COVID-19 …

The COVID-19 pandemic poses an unprecedented threat to human health, health care
systems, public life, and economy around the globe. The repertoire of effective therapies for …

The outbreak of COVID-19 has created a global public health crisis. Little is known about the
protective factors of this infection. Therefore, preventive health measures that can reduce the …

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 …

Abstract Coronavirus disease (COVID-19) is a major pandemic and now a leading cause of
death worldwide. Currently, no drugs/vaccine is available for the treatment of this disease …

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 …

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 …

Introduction Vitamin D status is related to risks of influenza and respiratory tract infections.
Vitamin D has direct antiviral effects primarily against enveloped viruses, and coronavirus is …