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High vaccine effectiveness against severe COVID-19 in the elderly in Finland before and after the emergence of Omicron

BACKGROUND: The elderly are highly vulnerable to severe COVID-19. Waning immunity and emergence of Omicron have caused concerns about reduced effectiveness of COVID-19 vaccines. The objective was to estimate vaccine effectiveness (VE) against severe COVID-19 among the elderly. METHODS: This nationwi...

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Detalles Bibliográficos
Autores principales: Baum, Ulrike, Poukka, Eero, Leino, Tuija, Kilpi, Terhi, Nohynek, Hanna, Palmu, Arto A.
Formato: Online Artículo Texto
Lenguaje:English
Publicado: BioMed Central 2022
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9636823/
https://www.ncbi.nlm.nih.gov/pubmed/36335289
http://dx.doi.org/10.1186/s12879-022-07814-4