Vitamin D Deficiency Is Associated With Higher Hospitalization Risk From COVID-19: A Retrospective Case-Control Study

Effects of Vitamin D on COVID-19 Infection and Prognosis: A Systematic Review

(2021) Hiwot Yisak et al.   Risk Management and Healthcare Policy

Association of vitamin D status with hospital morbidity and mortality in adult hospitalized COVID-19 patients

(2021) Nipith Charoenngam et al.   Endocrine Practice

Low vitamin D status is associated with coronavirus disease 2019 outcomes: a systematic review and meta-analysis

(2021) Nanyang Liu et al.   INTERNATIONAL JOURNAL OF INFECTIOUS DISEASES

Obesity in COVID-19 era, implications for mechanisms, comorbidities, and prognosis: a review and meta-analysis

(2021) Seyed Morsal Mosallami Aghili et al.   INTERNATIONAL JOURNAL OF OBESITY

An Evaluation of Serum 25-Hydroxy Vitamin D Levels in Patients with COVID-19 in New York City

(2021) Elizabeth Marie Gavioli et al.   JOURNAL OF THE AMERICAN COLLEGE OF NUTRITION

Vitamin D and Lung Outcomes in Elderly COVID-19 Patients

(2021) Alberto Sulli et al.   Nutrients

Lack of association of baseline 25-hydroxyvitamin D levels with disease severity and mortality in Indian patients hospitalized for COVID-19

(2021) Ganesh Jevalikar et al.   Scientific Reports

Vitamin D supplementation to prevent acute respiratory infections: a systematic review and meta-analysis of aggregate data from randomised controlled trials

(2021) David A Jolliffe et al.   Lancet Diabetes & Endocrinology

25-Hydroxyvitamin D Concentrations Are Lower in Patients with Positive PCR for SARS-CoV-2

(2020) Antonio D’Avolio et al.   Nutrients

Correction to: Prevalence of vitamin D deficiency and its predictors in the Portuguese population: a nationwide population-based study

(2020) Catia Duarte et al.   Archives of Osteoporosis

Low serum 25‐hydroxyvitamin D (25[OH]D) levels in patients hospitalized with COVID‐19 are associated with greater disease severity

(2020) Grigorios Panagiotou et al.   CLINICAL ENDOCRINOLOGY

MECHANISMS IN ENDOCRINOLOGY: Vitamin D and COVID-19

(2020) John P. Bilezikian et al.   EUROPEAN JOURNAL OF ENDOCRINOLOGY

Low plasma 25(OH) vitamin D level is associated with increased risk of COVID‐19 infection: an Israeli population‐based study

(2020) Eugene Merzon et al.   FEBS Journal

“Effect of calcifediol treatment and best available therapy versus best available therapy on intensive care unit admission and mortality among patients hospitalized for COVID-19: A pilot randomized clinical study”

(2020) Marta Entrenas Castillo et al.   JOURNAL OF STEROID BIOCHEMISTRY AND MOLECULAR BIOLOGY

Living risk prediction algorithm (QCOVID) for risk of hospital admission and mortality from coronavirus 19 in adults: national derivation and validation cohort study

(2020) Ash K Clift et al.   BMJ-British Medical Journal

Serum 25(OH)D Level on Hospital Admission Associated With COVID-19 Stage and Mortality

(2020) Dieter De Smet et al.   AMERICAN JOURNAL OF CLINICAL PATHOLOGY

High-Dose Cholecalciferol Booster Therapy is Associated with a Reduced Risk of Mortality in Patients with COVID-19: A Cross-Sectional Multi-Centre Observational Study

(2020) Stephanie F. Ling et al.   Nutrients

Analysis of vitamin D level among asymptomatic and critically ill COVID-19 patients and its correlation with inflammatory markers

(2020) Anshul Jain et al.   Scientific Reports

Increased risk for COVID-19 in patients with vitamin D deficiency

(2020) Joseph Katz et al.   NUTRITION

The association between vitamin D deficiency and community-acquired pneumonia

(2019) Yun-Fang Zhou et al.   MEDICINE

Acute Respiratory Tract Infection and 25-Hydroxyvitamin D Concentration: A Systematic Review and Meta-Analysis

(2019) Hai Pham et al.   International Journal of Environmental Research and Public Health

A systematic review of vitamin D status in southern European countries

(2017) Yannis Manios et al.   EUROPEAN JOURNAL OF NUTRITION

Seasonal variation of serum vitamin D levels in Romania

(2017) Dan Alexandru Niculescu et al.   Archives of Osteoporosis