摘要：A number of observational studies and reviews on the potential role of vitamin D in COVID-19 have been published since the beginning of this ongoing global pandemic. In the observational studies, “low” vitamin D intake and “deficient” vitamin D status have been often linked to the increased risk, severity and duration of COVID-19, with implications or recommendations for using high doses of vitamin D in the prophylaxis or even treatment of this disease (e.g., [
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