Decent efficacy results announced for two vaccines developed by China (Sinova/Cansino), with ~70% infection blocking efficacy, and severe disease avoided in ≥90% vaccinated. Both are 'traditional' vaccines (i.e. inactivated) and should be logistically unchallenging and cheap. https://t.co/hBOszXfzCz

— Prof Francois Balloux (@BallouxFrancois) February 24, 2021