Background and aim: Vitamin D deficiency is frequently reported in patients with SARS-CoV-
2 infection. The aim of this study was to correlate the 25OH-Vitamin D serum concentrations …

Purpose Vitamin D deficiency has been reported as a key factor in the development of
infectious diseases such as respiratory tract infections and inflammatory processes like …

Background Several immune mechanisms activate in COVID-19 pathogenesis. Usually,
coronavirus infection is characterized by dysregulated host immune responses, interleukine …

The COVID-19 pandemic goes along with increased mortality from acute respiratory
disease. It has been suggested that vitamin D3 supplementation might help to reduce …

Purpose Older adults are more likely to be vitamin D deficient. The aim of the study was to
determine whether these patients have worse outcomes with COVID-19. Methods We …

Background: Vitamin D has diverse and extensive effects on the immune system, including
activating innate immunity and reducing the overactive adaptive immune response. A …

Structured abstract Importance Vitamin D deficiency increases the incidence of respiratory
virus infections. More than 1 billion people worldwide are vitamin D deficient. If vitamin D …

Purpose Hypovitaminosis D is a highly spread condition correlated with increased risk of
respiratory tract infections. Nowadays, the world is in the grip of the Coronavirus disease 19 …

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 …

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 …