It's interesting because this study was done in Spain, which reportedly only has...

parliament32 on Oct 28, 2020 | parent | context | favorite | on: Over 80% of Covid-19 patients in a hospital study ...

It's interesting because this study was done in Spain, which reportedly only has about a 33% Vitamin D deficiency in the general population: https://pubmed.ncbi.nlm.nih.gov/21179052/