Effectiveness of an Inactivated SARS-CoV-2 Vaccine in Chile

New England Journal of Medicine
September 2, 2021 Vol. 385 No. 10
http://www.nejm.org/toc/nejm/medical-journal

 

Original Articles
Effectiveness of an Inactivated SARS-CoV-2 Vaccine in Chile A. Jara and Others
Mass vaccination campaigns to prevent coronavirus disease 2019 (Covid-19) are occurring in many countries; estimates of vaccine effectiveness are urgently needed to support decision making. A countrywide mass vaccination campaign with the use of an inactivated severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) vaccine (CoronaVac) was conducted in Chile starting on February 2, 2021