This chapter investigates the role of vitamin D in SARS-CoV-2 infection and the
development and severity of COVID-19 infection. This includes an introduction of COVID-19 …

On 30 January 2020, the World Health Organization (WHO) declared the current novel
coronavirus disease 2019 (COVID-19) as a public health emergency of international …

Nutrients and diets have an important impact on our immune system and infection risk and a
huge number of papers have been published dealing with various aspects of nutrition in …

The unprecedented scale of the current SARS-CoV-2/COVID-19 pandemic has led to an
extensive—yet fragmented—assessment of its endocrine repercussions; in many reports …

Purpose: While numerous widely accepted nutraceuticals lack randomized clinical trial
(RCT) validation, regulatory bodies prioritize RCTs as the primary evidence for testing …

Materials and Methods This was a retrospective, cross-sectional study of 208 hospitalized
COVID-19 patients who received a computed tomographic pulmonary angiography (CTPA) …

Since the beginning of the COVID-19 pandemic, it has been evident that women and young
people were less susceptible to severe infections compared to males. In a previous study …

(1) Background: SARS-COV2 infection has a clinical spectrum ranging from asymptomatic
infection to COVID-19 with acute respiratory distress syndrome (ARDS). Although vitamin D …

In recent weeks, the rate of SARS-CoV-2 infections has been progressively increasing all
over the globe, even in countries where vaccination programs have been strongly …

OBJECTIVES Meta-analysis is a statistical appraisal of the data analytic implications of
published articles (Y), estimating parameters including the odds ratio and relative risk. This …