Created at	Source	Raw Value	Validated value
July 1, 2022, 11 p.m.	usa	Protection Indexes of Two Vaccine Doses For Symptomatic COVID-19	Protection Indexes of Two Vaccine Doses For Symptomatic COVID-19
June 9, 2022, 4 p.m.	usa	None	Protection Indexes of Two Vaccine Doses For Symptomatic COVID-19 [ Time Frame: 2 weeks after the second dose of vaccination ] The protection rate of a two-dose of SARS-CoV-2 (Vero Cell) vaccine against RT-PCR confirmed symptomatic COVID-19
Oct. 26, 2020, 11:31 p.m.	usa	Protection Indexes of Two Vaccine Doses For Symptomatic COVID-19	Protection Indexes of Two Vaccine Doses For Symptomatic COVID-19