Highlights
● Neutralizing antibody response is higher with BNT162b2 than CoronaVac
boosters in one month and three months after vaccination.
● T cell activation is significantly higher with BNT162b2 than CoronaVac
boosters one month after vaccination
● The ratio of CD8+CD38+D69+ effector cells is higher than baseline
after BNT162b2 booster in three months