Safety and Immunogenicity Study of Booster Vaccination in Different Doses of COVID-19 Vaccine (Vero Cell),Inactivated for Prevention of COVID-19

Summary

This is a randomized, double-blinded, phase Ⅳ clinical trial of COVID-19 vaccine (Vero cell), Inactivated manufactured by Sinovac Life Sciences Co. , Ltd. The purpose of this study is to evaluate the safety and immunogenicity of booster vaccination using high-dosage or medium-dosage of COVID-19 vaccine (Vero cell), Inactivated in populations who have completed primary immunization 5-9 months

Timeline

Start

2021-10-20

Primary completion

2022-04-20

Completion

2022-07-01

Drugs

Indications