Vitamin D deficiency was found in 82.2% of COVID-19 cases and 47.2% of population-based controls (p<0.0001).
https://academic.oup.com/jcem/advance-article/doi/10.1210/clinem/dgaa733/5934827
Vitamin D deficiency was found in 82.2% of COVID-19 cases and 47.2% of population-based controls (p<0.0001).
https://academic.oup.com/jcem/advance-article/doi/10.1210/clinem/dgaa733/5934827