Created at	Source	Raw Value	Validated value
Aug. 31, 2021, 8:30 p.m.	usa	ELISA assessment of concentration of IgG anti Spike (UI/ml) at 28 days.;Serious adverse events Adverse events of special interest	ELISA assessment of concentration of IgG anti Spike (UI/ml) at 28 days.;Serious adverse events Adverse events of special interest