Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Efficacy of adenovirus-based and mRNA-based COVID-19 vaccines.
| Vaccine Type | RCT Phase | Number Studies | Efficacy (%) | 95% CI (%) | Included Case N | Heterogeneity Test, p-Value | |
|---|---|---|---|---|---|---|---|
| Lower Limit | Upper Limit | ||||||
| Adenovirus-based | 2/3 | 4 | 80.2 | 0.564 | 0.927 | 20771 | <0.001 |
| mRNA-based | 2/3 | 2 | 94.6 | 0.936 | 0.954 | 34041 | <0.001 |
RCT = randomized control trial.
