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Short term, relative effectiveness of four doses versus three doses of BNT162b2 vaccine in people aged 60 years and older in Israel: retrospective, test negative, case-control study
OBJECTIVE: To examine the relative effectiveness of a fourth dose of the Pfizer-BioNTech mRNA (BNT162b2) vaccine compared with three vaccine doses over the span of 10 weeks. DESIGN: Retrospective, test negative, case-control study, with a matched analysis and an unmatched multiple tests analysis. SE...
Autores principales: | , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
BMJ Publishing Group Ltd.
2022
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9127435/ https://www.ncbi.nlm.nih.gov/pubmed/35609888 http://dx.doi.org/10.1136/bmj-2022-071113 |