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The researchers compared the average levels of this vitamin in 20 countries with the rates of infection and mortality from coronavirus.
Low vitamin D levels may be associated with an increased risk of dying from covid-19, suggests a preliminary study by scientists from the Queen Elizabeth Hospital Foundation Trust and the University of East Anglia, UK.
The research compared pre-existing data on average vitamin D levels in 20 European countries with rates of infection and mortality from coronavirus. The average amount of vitamin D in the serum samples was 56.79 nmol / L, while any value below 30 nmol / L was considered “severely lacking”.
Meanwhile, previous studies showed an average serum vitamin D in the elderly of 26 nmol / L in Spain, 28 nmol / L in Italy and 45 nmol / L in the Nordic countries. In Switzerland, mean vitamin D levels are 23 nmol / L in nursing homes, while in Italy 76% of women over 70 have been found to have levels below 30nmol / L.