Background Internationally, concern has been repeatedly raised about the little notable
progress in the collection, analysis and use of population micronutrient status and deficiency …

Vitamin D status and the prevalence of vitamin D deficiency and insufficiency have been
addressed in many studies covering all continents. Vitamin D deficiency, defined as a serum …

Background The National Health and Nutrition Examination Surveys (NHANES) collect and
release data to the public every 2 years. The latest NHANES study on the vitamin D status of …

The WHO has announced the novel coronavirus disease (COVID-19) outbreak to be a
global pandemic. The distribution of community outbreaks shows seasonal patterns along …

Vitamin D is a fundamental regulator of host defences by activating genes related to innate
and adaptive immunity. Previous research shows a correlation between the levels of vitamin …

Context One risk factor for severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2)
infection is postulated to be vitamin D deficiency. To better understand the role of vitamin D …

Background Meta‐analyses of randomized controlled trials (RCTs) have demonstrated the
efficacy of vitamin D supplementation for reduced cancer mortality, all‐cause mortality, and …

Several studies conducted around the world showed substantial vitamin D insufficiency and
deficiency among different population groups. Sources of vitamin D in the human body …

Background & aims COVID-19 has emerged as a global pandemic affecting millions of
people. Vitamin D deficiency is one of the risk factors for increased susceptibility to COVID …

The intravenous iron formulations ferric carboxymaltose (FCM) and ferric derisomaltose
(FDI) offer the possibility of administering a large amount of iron in one infusion. This results …