The world is in the grip of the COVID-19 pandemic. Public health measures that can reduce
the risk of infection and death in addition to quarantines are desperately needed. This article …

It is an ugly fact that a significant amount of the world's population will contract SARS-CoV-II
infection with the current spreading. While a specific treatment is not yet coming soon …

Severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) known as coronavirus
disease (COVID-19), emerged in Wuhan, China, in December 2019. On March 11, 2020, it …

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 …

The first incidence of COVID-19 was reported in the Wuhan city of Hubei province in China
in late December 2019. Because of failure in timely closing of borders of the affected region …

This is a retrospective cohort study which included two cohorts (active and expired) of 780
cases with laboratory-confirmed infection of SARS-CoV-2 in Indonesia. Age, sex, co …

Insufficient blood levels of the neurohormone vitamin D are associated with increased risk of
COVID-19 severity and mortality. Despite the global rollout of vaccinations and promising …

This systematic review was conducted to summarize and clarify the evidence on the
association between 25-hydroxyvitamin-D [25 (OH) D] concentrations and coronavirus …

Vitamin D deficiency is a global public health problem, a pandemic that commonly affects
the elderly and those with comorbidities such as obesity, diabetes, hypertension, respiratory …

The COVID-19 pandemic has led governments to instate a large number of restrictions on
and recommendations for citizens' behavior. One widely used tool for measuring compliance …