Created at	Source	Raw Value	Validated value
Oct. 1, 2021, 9 a.m.	usa	Change in anti-SARS-CoV-2 IgG titer to SARS-CoV-2 target proteins from baseline;Percentage of participants who achieve high-positive antibody titer	Change in anti-SARS-CoV-2 IgG titer to SARS-CoV-2 target proteins from baseline;Percentage of participants who achieve high-positive antibody titer