Fig. 2: Vaccine efficacy analysis.

Cumulative incidence for COVID-19 cases at 7 and 14 days post-injection of SCTV01E or placebo among population in PPE, were depicted in Panels (A) (symptomatic COVID-19 7 days post injection), B (all infections 7 days post injection), C (symptomatic COVID-19 14 days post injection), and D (all infections 14 days post injection).