A Immuno-bridging and Immunization Schedules Study of COVID-19 Vaccine (Vero Cell), Inactivated
Conditions
Interventions
- BIOLOGICAL: 3-doses schedule 1 of COVID-19 Vaccine (Vero Cell), Inactivated
- BIOLOGICAL: 3-doses schedule 2 of COVID-19 Vaccine (Vero Cell), Inactivated
- BIOLOGICAL: 3-doses schedule 3 of COVID-19 Vaccine (Vero Cell), Inactivated
- BIOLOGICAL: 2 doses of vaccine
Sponsor
China National Biotec Group Company Limited
Collaborators