Created at	Source	Raw Value	Validated value
Sept. 1, 2021, 11 p.m.	oms	1. Age 18-59 years 2. Have a history of receiving two doses of CoronaVac vaccine with 21-28 days apart. 3. Post-second dose of CoronaVac vaccine for more than 60-180 days on day of participation in study	1. Age 18-59 years 2. Have a history of receiving two doses of CoronaVac vaccine with 21-28 days apart. 3. Post-second dose of CoronaVac vaccine for more than 60-180 days on day of participation in study