Created at	Source	Raw Value	Validated value
Nov. 26, 2021, 10:30 p.m.	oms	To evaluate the impact of calcifediol supplementation on the efficacy of ChAdOx1 nCoV- 19 vaccine in terms of both humoral and cell-mediated; anti-SARS-CoV-2 immunityTimepoint: Baseline; 3; 4 and 6 months from baseline	To evaluate the impact of calcifediol supplementation on the efficacy of ChAdOx1 nCoV- 19 vaccine in terms of both humoral and cell-mediated; anti-SARS-CoV-2 immunityTimepoint: Baseline; 3; 4 and 6 months from baseline
Nov. 13, 2021, 5:33 p.m.	oms	N/A	N/A
Sept. 8, 2021, 1:30 a.m.	oms	To evaluate the impact of calcifediol supplementation on the efficacy of ChAdOx1 nCoV- 19 vaccine in terms of both humoral and cell-mediated; anti-SARS-CoV-2 immunityTimepoint: Baseline; 3; 4 and 6 months from baseline	To evaluate the impact of calcifediol supplementation on the efficacy of ChAdOx1 nCoV- 19 vaccine in terms of both humoral and cell-mediated; anti-SARS-CoV-2 immunityTimepoint: Baseline; 3; 4 and 6 months from baseline