Interim analysis of Phase 3 clinical trial shows CoronaVac vaccine safe, effective: Lancet
LONDON – Interim analysis of Phase 3 clinical trial of the CoronaVac vaccine in more than 10,000 participants in Turkey suggests the efficacy of two doses of the vaccine is 83.5 percent against symptomatic cases of COVID-19, according to a study published on Thursday in The Lancet, a weekly peer-reviewed general medical journal.