Created at	Source	Raw Value	Validated value
Dec. 30, 2021, 4:30 a.m.	usa	Serum Neutralizing Receptor Binding Domain IgG Antibody Concentration	Serum Neutralizing Receptor Binding Domain IgG Antibody Concentration
Sept. 28, 2021, 8 a.m.	usa	To assess the safety of the engineered Bacillus subtilis	To assess the safety of the engineered Bacillus subtilis