Created at	Source	Raw Value	Validated value
March 29, 2022, 2:30 p.m.	usa	inclusion criteria: healthy adults 18 years old and older over 6 months after primary immunization with covid-19 vaccines can understand and sign the consent can provide effective personal identification	inclusion criteria: healthy adults 18 years old and older over 6 months after primary immunization with covid-19 vaccines can understand and sign the consent can provide effective personal identification