A large study of the CoronaVac in Chile shows vaccine effectiveness is 64% vs infections, 87% vs hospitalizations and deaths. To summarize, yet another vaccine that works well, especially against severe illness @NEJM https://t.co/IrcBhsWOcC pic.twitter.com/Bzc8kOTooK

— Eric Topol (@EricTopol) July 7, 2021