https://health.ucdavis.edu/news/headlines/what-is-the-link-between-vitamin-d-levels-and-covid-19/2022/02 https://health.ucdavis.edu/news/headlines/what-is-the-l

https://health.ucdavis.edu/news/headlines/what-is-the-link-between-vitamin-d-levels-and-covid-19/2022/02 https://health.ucdavis.edu/news/headlines/what-is-the-link-b... What has been shown in other studies is that giving hospitalized COVID patients vitamin D has no effect on outcomes. We could do studies that show the same lack of effectiveness for a lot of treatments including the vaccines. Once you're hospitalized it's too late for a lot of things.