"The primary aims of this study are to assess if there is any association between the mean levels of vitamin D in various countries and the mortality caused by COVID–19. The secondary aim was to identify if there is any association between the mean vitamin D levels in various countries and the number of cases of COVID–19," the study stated.
In the study, researchers at the Queen Elizabeth Hospital Foundation Trust and the University of Anglia in England compared the average level of vitamin D of people in 20 European countries, and a significant correlation was found between the average levels of vitamin D and the number of CCP virus cases, including deaths caused by the virus.

The preliminary study showed that people in Spain and Italy have severe vitamin D deficiency, and similarly, people in the Nordic regions also suffer from vitamin D deficiency.
Researchers also found that in Switzerland, the average level of vitamin D of seniors living in nursing homes is severely low. It also stated that 76 percent of women over the age of 70 in Italy are deficient in vitamin D.
"These are countries with high number of cases of COVID–19 and the aging people is the group with the highest risk for morbidity and mortality with SARS-Cov2," the study stated.
"We believe, that we can advise Vitamin D supplementation to protect against COVID-19 infection," the preliminary study stated.
