Effectiveness of the fourth dose of COVID-19 vaccines against severe COVID-19 among adults 40 years or older in Brazil: a population-based cohort study
Title:
Effectiveness of the fourth dose of COVID-19 vaccines against severe COVID-19 among adults 40 years or older in Brazil: a population-based cohort study
Author:
Lazar Neto, Felippe Hitchings, Matt D.T. Amin, Avnika B. de França, Giovanny V.A. Lind, Margaret L. Scaramuzzini Torres, Mario Sergio Tsuha, Daniel Henrique de Oliveira, Roberto D. Cummings, Derek A.T. Dean, Natalie E. Andrews, Jason R. Ko, Albert I. Croda, Julio Ranzani, Otavio T.