Further Evidence for Bias in Observational Studies of Influenza Vaccine Effectiveness: The 2009 Influenza A(H1N1) Pandemic

Preinfluenza periods have been used to test for uncontrolled confounding in studies of influenza vaccine effectiveness, but some authors have claimed that confounding differs in preinfluenza and influenza periods. We tested this claim by comparing estimates of the vaccine-mortality association durin...

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Dades bibliogràfiques
Publicat a:Am J Epidemiol
Autors principals: Jackson, Michael L., Yu, Onchee, Nelson, Jennifer C., Naleway, Allison, Belongia, Edward A., Baxter, Roger, Narwaney, Komal, Jacobsen, Steven J., Shay, David K., Jackson, Lisa A.
Format: Artigo
Idioma:Inglês
Publicat: Oxford University Press 2013
Matèries:
Practice of Epidemiology
Accés en línia:https://ncbi.nlm.nih.gov/pmc/articles/PMC7314269/
https://ncbi.nlm.nih.gov/pubmed/23978527
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1093/aje/kwt124
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