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Does Vitamin D protect against Covid-19? Quite compelling evidence according to a Harvard professor of medicine.
According to JoAnn E. Manson, professor of Medicine at Harvard Medical School believes there is quite compelling evidence that vitamin D could protect against Covid-19. https://www.medscape.com/viewarticle/930152 Dr John Campbell also believes there is evidence to show there is a correlation between vitamin D and Covid-19. https://www.youtube.com/watch?v=1fxw3nTZYlA
