The COVID-19 pandemic is the greatest challenge facing modern medicine and public
health systems. The viral evolution of SARS-CoV-2, with the emergence of new variants with …

Context COVID-19 is a major health problem because of saturation of intensive care units
(ICU) and mortality. Vitamin D has emerged as a potential treatment able to reduce the …

Objective The vitamin D endocrine system may have a variety of actions on cells and tissues
involved in COVID-19 progression especially by decreasing the Acute Respiratory Distress …

COVID-19 is a major worldwide health problem because of acute respiratory distress
syndrome, and mortality. Several lines of evidence have suggested a relationship between …

Covid-19 has to date infected a confirmed 275 million people with 5.4 million, now dead,
with the count rising every day. Although the virus, SARS-CoV2, causing Covid-19 infects …

Preclinical data strongly suggest that the vitamin D endocrine system (VDES) may have
extraskeletal effects. Cells of the immune and cardiovascular systems and lungs can …

Hypovitaminosis D has been associated with worse outcome in respiratory tract infections,
with conflicting opinions regarding its role in Coronavirus-19 disease (COVID-19). Our study …

Vitamin D is associated with biological activities of the innate and adaptive immune systems,
as well as inflammation. In observational studies, an inverse relationship has been found …

The novel coronavirus named severe acute respiratory syndrome coronavirus 2 (SARS-CoV-
2), which is at the origin of the current pandemic, predominantly manifests with severe …

Coronavirus Disease 2019 (COVID-19) pandemic remains a major public health threat in
most countries. The causative severe acute respiratory syndrome coronavirus 2 (SARS-CoV …