A systematic review and meta-analysis of effect of vitamin D levels on the incidence of COVID-19.
Luiza SzarpakFrank W PeacockAleksandra GaseckaAleksandra GaseckaWladyslaw GawelJacek HernikHalla KaminskaKrzysztof Jerzy FilipiakMiłosz Jarosław JaguszewskiAgnieszka SzarpakPublished in: Cardiology journal (2021)
Low serum vitamin D levels are statistically significantly associated with the risk of COVID-19 infection. Supplementation of vitamin D especially in the deficiency risk groups is indicated.