'COVID-19 mortality risk correlates inversely with vitamin D3 | Robert W Malone, MD
"COVID-19 mortality risk correlates inversely with vitamin D3 status, and a mortality rate close to zero could theoretically be achieved at 50 ng/ml 25(OH)D3: Results of a systematic review and meta-analysis" https://www.medrxiv.org/content/10.1101/2021.09.22.21263977v1
