There is a marked variation in mortality risk associated with COVID-19 infection in the
general population. Low socioeconomic status and other social determinants have been …

The COVID-19 pandemic has so far affected more than 45 million people and has caused
over 1 million deaths worldwide. Infection with SARS-CoV-2, the pathogenic agent, which is …

The severe pneumonia caused by the human coronavirus (hCoV)-SARS-CoV-2 has inflicted
heavy casualties, especially among the elderly and those with co-morbid illnesses …

Early reports indicate an association between the severity of the COVID-19 infection and the
widespread 25-hydroxy vitamin D deficiency known to exist in populations around the world …

Higher rates of serious illness and death from coronavirus SARS-CoV-2 (COVID-19)
infection among older people and those who have comorbidities suggest that age-and …

As the world's attention has been riveted upon the growing COVID-19 pandemic, many
researchers have written brief reports supporting the hypothesis that vitamin D deficiency is …

Each patient's immune defenses play a major role in mitigating the impact (ie, morbidity and
mortality) of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), the virus …

Vitamin D deficiency, which impedes good immune function, is common during winter and
spring in regions of high latitude. There is good evidence that vitamin D deficiency …

Introduction: COVID-19 is a novel and devastating disease. Its manifestations vary from
asymptomatic to lethal. Moreover, mortality rates differ based on underlying health …

Vitamin D deficiency (VDD) partly explains geographical differences in COVID-19
susceptibility, severity, and mortality. VDD among African-Americans, diabetics …