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NEW JERSEY, USA, May 06 (IPS) – The writer* is Professor of Medicine, Endocrinology & Nutrition, Director CardioMetabolic Institute, USAThere is considerable evidence that vitamin D reduces the risk and severity of COVID-19 (Mercola 2020 ; Wimalawansa, 2020). More than 50 clinical studies have published confirming that high doses of vitamin D administered early in persons with COVID-19 significantly reduce complications and the need for ICU admissions.