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

Evidence that Vitamin D Supplementation Could Reduce Risk of Influenza and COVID-19 Infections and Deaths

(2020) William B. Grant et al.   Nutrients

Is ethnicity linked to incidence or outcomes of covid-19?

(2020) Kamlesh Khunti et al.   BMJ-British Medical Journal

The Prevalence and Determinants of Vitamin D Status in Community-Dwelling Older Adults: Results from the English Longitudinal Study of Ageing (ELSA)

(2019) Niamh Aspell et al.   Nutrients

Vitamin D and Influenza—Prevention or Therapy?

(2018) Beata M. Gruber–Bzura   INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES

Obesity and vitamin D deficiency: a systematic review and meta-analysis

(2015) M. Pereira-Santos et al.   Obesity Reviews

Serum 25-hydroxyvitamin D concentration and its determinants in the very old: the Newcastle 85+ Study

(2015) T. R. Hill et al.   OSTEOPOROSIS INTERNATIONAL

Vitamin D status has a linear association with seasonal infections and lung function in British adults

(2011) Diane J. Berry et al.   BRITISH JOURNAL OF NUTRITION

Short and Long-Term Variations in Serum Calciotropic Hormones after a Single Very Large Dose of Ergocalciferol (Vitamin D2) or Cholecalciferol (Vitamin D3) in the Elderly

(2008) Elisabetta Romagnoli et al.   JOURNAL OF CLINICAL ENDOCRINOLOGY & METABOLISM