The vitamin D for COVID-19 (VIVID) trial: A pragmatic cluster-randomized design Rui Wang , Victor DeGruttola, Quanhong Lei, Kenneth H Mayer, Susan Redline, Aditi Hazra, Samia Mora, Walter C Willett, Davaasambuu Ganmaa, and JoAnn E Manson Their objective is to evaluate how vitamin D supplementation affects illness development and COVID-19 infection post-exposure prophylaxis. High-dose vitamin D3 supplementation, we predict, will minimize the risk of hospitalization/death in those...
