Ranzani, Otavio; Hitchings, Matt D.T.; Melo, Rosana Leite de; França, Giovanny V.A. de; Fernandes, Cássia de Fátima R.; Lind, Margaret L.; Torres, Mario Sergio Scaramuzzini; Tsuha, Daniel Enrique; David, Leticia C.S.; Said, Rodrigo F.C.; Almiron, Maria; Oliveira, Roberto D. de; Cummings, Derek A.T.; Dean, Natalie E.; Andrews, Jason R.; Ko, Albert I.; Croda, Julio
(Nature Research, 2022)
The effectiveness of inactivated vaccines (VE) against symptomatic and severe COVID-19 caused by omicron is unknown. We conducted a nationwide, test-negative, case-control study to estimate VE for homologous and heterologous ...