232
Participants
Start Date
May 21, 2021
Primary Completion Date
September 30, 2023
Study Completion Date
September 30, 2023
BNT162b2
Intramuscular injection
CoronaVac
Intramuscular injection
AZD1222
Intramuscular injection
Humanity & Health Medical Group Limited, Hong Kong
Humanity & Health Medical Group Limited
OTHER