"... 25-OH vitamin D deficiency is an independent predictor of severe COVID-19 with an odds ratio (OR) of 5.81 (95% CI: 1.108-30.541; p = 0.037)."
https://www.mdpi.com/1422-0067/23/23/15188
Post #48
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SU Sunfluencer @sunfluencer · 2.96K subscribers Forwarded from Dr John B.
