The SARS-CoV-2 virus responsible for the COVID-19 pandemic has generated an explosion
of interest both in the mechanisms of infection leading to dissemination and expression of …

Background: Vitamin D supplementation is increasingly being used in higher doses in
randomized controlled trials (RCTs). However, adverse events from very large annual doses …

Importance Low vitamin D status is linked to increased mortality and morbidity in patients
who are critically ill. It is unknown if this association is causal. Objective To investigate …

Background COVID-19 is a major pandemic that has killed more than 196,000 people. The
COVID-19 disease course is strikingly divergent. Approximately 80-85% of patients …

Introduction Vitamin D plays a key role in immune function. Deficiency may aggravate the
incidence and outcome of infectious complications in critically ill patients. We aimed to …

OBJECTIVE: Studies suggest an association between vitamin D deficiency and
morbidity/mortality in critically ill patients. Several issues remain unexplained, including …

Abstract In December 2019, coronavirus disease 2019 (COVID-19), a severe respiratory
illness caused by the new coronavirus severe acute respiratory syndrome coronavirus 2 …

Abstract SARS-CoV-2 virus, the main culprit for COVID-19 disaster, has triggered a gust of
curiosity both in the mechanism of action of this infection as well as potential risk factors for …

Vitamin D deficiency and its adverse skeletal sequelae are well recognized in the general
population. Recent observation of high prevalence of low vitamin D states and their …

The mechanisms of action of vitamin D are the subject of intense investigation. Evidence
now suggests vitamin D affects immune function and cell proliferation, prompting interest in …