ArticleEpidemiologia e servicos de saude : revista do Sistema Unico de Saude do Brasil2025

Impact of vaccination and SARS-CoV-2 variants on severe COVID-19 outcomes: a cross-sectional study, Brazil, 2021-2022.

Luiza Paiva Moraes et al.PubMed ↗Full text ↗Publisher ↗

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