Table 1.
Efficacy of CoronaVac in clinical trials.
Efficacy | Age | Symptomatic COVID-19 | Hospitalization | Requiring assistance | Moderate/severe disease |
---|---|---|---|---|---|
In Turkey11 | 18–59 years | 83.5(65.4–92.1) | 100.0(20.4–100.0) | NR | NR |
In Brazil12 | ≥18 years | 50.7(35.9–62.0) | NR | 83.7(58.0–93.7) | 100.0(56.4–100.0) |
In Indonesia13,14 | 18–59 years | 65.0(20.0–85.0) | NR | NR | NR |
Overall | — | 67.7(35.9–83.7) | — | — | — |
Data are efficacies (%) with 95% confidence intervals for the prevention of symptomatic COVID-19 14 days or more after dose 2 before the emergence of variants of concern. NR=not reported.