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Two-dose ChAdOx1 nCoV-19 vaccine protection against COVID-19 hospital admissions and deaths over time: a retrospective, population-based cohort study in Scotland and Brazil

BACKGROUND: Reports suggest that COVID-19 vaccine effectiveness is decreasing, but whether this reflects waning or new SARS-CoV-2 variants—especially delta (B.1.617.2)—is unclear. We investigated the association between time since two doses of ChAdOx1 nCoV-19 vaccine and risk of severe COVID-19 outc...

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Detalles Bibliográficos
Autores principales:	Katikireddi, Srinivasa Vittal, Cerqueira-Silva, Thiago, Vasileiou, Eleftheria, Robertson, Chris, Amele, Sarah, Pan, Jiafeng, Taylor, Bob, Boaventura, Viviane, Werneck, Guilherme Loureiro, Flores-Ortiz, Renzo, Agrawal, Utkarsh, Docherty, Annemarie B, McCowan, Colin, McMenamin, Jim, Moore, Emily, Ritchie, Lewis D, Rudan, Igor, Shah, Syed Ahmar, Shi, Ting, Simpson, Colin R, Barreto, Mauricio L, Oliveira, Vinicius de Araujo, Barral-Netto, Manoel, Sheikh, Aziz
Formato:	Online Artículo Texto
Lenguaje:	English
Publicado:	Elsevier 2022
Materias:	Articles
Acceso en línea:	https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8687670/ https://www.ncbi.nlm.nih.gov/pubmed/34942103 http://dx.doi.org/10.1016/S0140-6736(21)02754-9

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