Created at	Source	Raw Value	Validated value
Jan. 1, 2021, 12:31 a.m.	usa	inclusion criteria: - 18 years or older, relatively good health, negative for pre-existing sars-cov-2 antibodies, negative for sars-cov-2 infection	inclusion criteria: - 18 years or older, relatively good health, negative for pre-existing sars-cov-2 antibodies, negative for sars-cov-2 infection