Background: Coronavirus disease (COVID-19) is a respiratory and systemic disorder caused
by Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) or novel Coronavirus …

Abstract COVID-19 has infected 77.4 million people worldwide and has caused 1.7 million
fatalities as of December 21, 2020. The primary cause of death due to COVID-19 is Acute …

Abstract Background The severity of Coronavirus Disease 2019 (COVID-19) is a
multifactorial condition. An increasing body of evidence argues for a direct implication of …

Coronavirus disease 2019 (COVID-19), caused by severe acute respiratory syndrome
coronavirus-2 (SARS-CoV-2) is still an ongoing global health crisis. Immediately after the …

Objectives The pattern of global COVID-19 has caused many to propose a possible link
between susceptibility, severity and vitamin-D levels. Vitamin-D has known immune …

Global data correlate severe vitamin D deficiency with COVID-19-associated coagulopathy,
further suggesting the presence of a hypercoagulable state in severe COVID-19 patients …

Background The world is facing the most challenging pandemic in the 21st century. The
developed and developing countries are facing the burden equally and no proven treatment …

Low plasma levels of the vitamin D metabolite 25-hydroxyvitamin D [25 (OH) D] and the
vitamin D receptor (VDR) gene single nucleotide polymorphisms (SNPs) have been …

Respiratory infections of viral origin have become the leading cause of infectious diseases
in the world. In 2020, the World Health Organization (WHO) declared a pandemic due to …

The report on vitamin D and COVID-19 by Chandran and colleagues in this journal [1]
provides an overview on the pathophysiology of COVID-19, a rationale for possible …