Created at	Source	Raw Value	Validated value
July 15, 2021, 6 a.m.	usa	Measure plasma concentration of anti-RBD IgG antibodies in elderly using SARS-CoV-2 IgG II Quant assay technique (Abbott)	Measure plasma concentration of anti-RBD IgG antibodies in elderly using SARS-CoV-2 IgG II Quant assay technique (Abbott)