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Effectiveness of a fourth dose of mRNA COVID-19 vaccine against all-cause mortality in long-term care facility residents and in the oldest old: A nationwide, retrospective cohort study in Sweden
BACKGROUND: The effect of a fourth dose of COVID-19 vaccine on the risk of death in the oldest and frailest individuals is unknown. METHODS: Two matched cohorts were formed using Swedish nationwide registers. In the first, residents of long-term care facilities (LTCFs) given a fourth dose of an mRNA...
| Autores principales: | , , |
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| Formato: | Online Artículo Texto |
| Lenguaje: | English |
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Elsevier
2022
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| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9277096/ https://www.ncbi.nlm.nih.gov/pubmed/35855494 http://dx.doi.org/10.1016/j.lanepe.2022.100466 |