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Vaccine efficacy against severe COVID-19 in relation to delta variant (B.1.617.2) and time since second dose in patients in Scotland (REACT-SCOT): a case-control study
BACKGROUND: Reports have suggested that the efficacy of vaccines against COVID-19 might have fallen since the delta (B.1.617.2) SARS-CoV-2 variant replaced the alpha (B.1.1.7) variant as the predominant variant. We aimed to investigate, for the two main classes of vaccine, whether efficacy against s...
Autores principales: | , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
The Authors. Published by Elsevier Ltd.
2022
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8880999/ https://www.ncbi.nlm.nih.gov/pubmed/35227416 http://dx.doi.org/10.1016/S2213-2600(22)00045-5 |