164
Participants
Start Date
March 10, 2023
Primary Completion Date
June 30, 2023
Study Completion Date
June 30, 2024
Placebo
saline
COVID-19 Vaccine (Vero Cell) ,Inactivated
COVILO
COVID-19 mRNA Vaccine (ZSVG-02-O) 10 μg
Low-dose
COVID-19 mRNA Vaccine (ZSVG-02-O) 30 μg
Mid-dose
COVID-19 mRNA Vaccine (ZSVG-02-O) 60 μg
High-dose
RECRUITING
Shulan (Hangzhou) Hospital, Hangzhou
Shulan (Hangzhou) Hospital
OTHER
CNBG-Virogin Biotech (Shanghai) Ltd.
INDUSTRY