There are seven results for American trials found on clinicaltrials.gov for Condition= "COIVD19" and Drug = "VitaminD" run by institutions like Harvard/MGH, Bri

There are seven results for American trials found on clinicaltrials.gov for Condition= "COIVD19" and Drug = "VitaminD" run by institutions like Harvard/MGH, Brigham, UNC, Arizona State University, etc. https://clinicaltrials.gov/ct2/results?term=vitamin+d&cond=Covid19&age_v=&gndr=&type=&rslt=&Search=Apply https://clinicaltrials.gov/ct2/results?term=vitamin+d&cond=C...