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Vitamin D3 Supplementation At 5000 Iu Daily For The Prevention Of Influenza-Like Illness In Healthcare Workers: A Pragmatic Randomized Clinical Trial., Noud Van Helmond, Tracy L Brobyn, Patrick J Lariccia, Teresa Cafaro, Krystal Hunter, Satyajeet Roy, Brigid Bandomer, Kevin Q Ng, Helen Goldstein, Ludmil V Mitrev, Alan Tsai, Denise Thwing, Mary Ann Maag, Myung K Chung

Cooper Medical School of Rowan University Faculty Scholarship

Vitamin D supplementation has been shown to reduce the incidence of acute respiratory infections in populations at risk. The COVID-19 pandemic has highlighted the importance of preventing viral infections in healthcare workers. The aim of this study was to assess the hypothesis that vitamin D3 supplementation at 5000 IU daily reduces influenza-like illness (ILI), including COVID-19, in healthcare workers. We conducted a prospective, controlled trial at a tertiary university hospital. A random group of healthcare workers was invited to receive 5000 IU daily vitamin D3 supplementation for nine months, while other random healthcare system workers served as controls. All healthcare …