122
Participants
Start Date
November 16, 2021
Primary Completion Date
January 6, 2022
Study Completion Date
March 28, 2022
BBIBP-CorV and/or BNT162b2 vaccine
Booster immunization was carried out at least 4 months after the first two doses of basic immunization.
University of Debrecen, Debrecen
University of Debrecen
OTHER