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Effectiveness of BNT162b2 and ChAdOx1 nCoV-19 COVID-19 vaccination at preventing hospitalisations in people aged at least 80 years: a test-negative, case-control study.
Hyams C, Marlow R, Maseko Z, King J, Ward L, Fox K, Heath R, Tuner A, Friedrich Z, Morrison L, Ruffino G, Antico R, Adegbite D, Szasz-Benczur Z, Garcia Gonzalez M, Oliver J, Danon L, Finn A. Hyams C, et al. Among authors: tuner a. Lancet Infect Dis. 2021 Nov;21(11):1539-1548. doi: 10.1016/S1473-3099(21)00330-3. Epub 2021 Jun 23. Lancet Infect Dis. 2021. PMID: 34174190 Free PMC article.