Alireza Pouramini 1
, Fatemeh Kafi 1
, Shakiba Hassanzadeh 2* 1
School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran.2
Nickan Research Institute, Isfahan, Iran.
COVID-19 infection increases the risk of death in patients with chronic conditions such as diabetes or obesity. The exact role of vitamin D in COVID-19 infection is unknown and controversial. Furthermore, the exact prevalence of vitamin D deficiency is still unknown but it affects individuals worldwide regardless of ethnicity and age. Herein, we give an overview of vitamin D deficiency as a global public health problem, the role of vitamin D in COVID-19 infection, and the proper approach to treating vitamin D deficiency.