Created at	Source	Raw Value	Validated value
April 22, 2021, 12:31 a.m.	usa	Antibody titers for SARS-CoV-2 receptor binding domain (RBD);Hemagglutination inhibition (HI) titers for each of the 4 strains	Antibody titers for SARS-CoV-2 receptor binding domain (RBD);Hemagglutination inhibition (HI) titers for each of the 4 strains