Impact of vaccination and SARS-CoV-2 variants on severe COVID-19 outcomes: a cross-sectional study, Brazil, 2021-2022
The Omicron variant was associated with lower rates of invasive mechanical ventilation and mortality compared to previous variants, while vaccination demonstrated a significant protective effect by reducing severe outcomes.
Authors
- Moara Alves Santa Bárbara Borges (ORCID: https://orcid.org/0000-0003-2461-2063)
- Letícia Martins Raposo
Institutions
- Universidade Federal do Estado do Rio de Janeiro (BR)
Publication Details
- Journal
- Epidemiologia e Serviços de Saúde
- Published
- 2025-01-01
- DOI
- https://doi.org/10.1590/s2237-96222025v34e20240613.en
- Primary Topic
- SARS-CoV-2 and COVID-19 Research
- Type
- article
- Field-Weighted Citation Impact
- 0.00