autores Andrey Moreira Cardoso Juracy Bertoldo Santos Junior Júlia Moreira Pescarini Manoel Barral-Netto Maurício Viana Gomes de Oliveira Priscila Fernanda Porto Scaff Pinto Viviane Sampaio Boaventura de Oliveira
palavras-chave Brazil COVID-19 Cohort study Indigenous peoples Vaccine coverage Vaccine effectiveness