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Factors influencing estimated effectiveness of COVID-19 vaccines in non-randomised studies

Non-randomised studies assessing COVID-19 vaccine effectiveness need to consider multiple factors that may generate spurious estimates due to bias or genuinely modify effectiveness. These include pre-existing immunity, vaccination misclassification, exposure differences, testing, disease risk factor...

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Detalles Bibliográficos
Autor principal: Ioannidis, John P A
Formato: Online Artículo Texto
Lenguaje:English
Publicado: BMJ Publishing Group 2022
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9691814/
https://www.ncbi.nlm.nih.gov/pubmed/35338091
http://dx.doi.org/10.1136/bmjebm-2021-111901