KUPEK, E. Low anti-COVID-19 vaccination coverage and high COVID-19 mortality rates in Brazilian elderly. SciELO Preprints, 2021. DOI: 10.1590/1980-549720210041. Disponível em: https://preprints.scielo.org/index.php/scielo/preprint/view/2575. Acesso em: 12 oct. 2024.