0
0.5
1
1.5
2+
Severe case
46%
unadjusted
Improvement
Relative Risk
Vitamin D for COVID-19 Shehab et al. Prophylaxis
Is prophylaxis with vitamin D beneficial for COVID-19?
Retrospective 253 patients in multiple countries (Sep 2020 - Mar 2021)
Lower severe cases with vitamin D (not stat. sig., p=0.2)
c19early.org
Shehab et al., Tropical J. Pharmaceuti.., Feb 2022
Favors vitamin D
Favors control