Frequency and impact of confounding by indication and healthy vaccinee bias in observational studies assessing influenza vaccine effectiveness: a systematic review

BACKGROUND: Evidence on influenza vaccine effectiveness (VE) is commonly derived from observational studies. However, these studies are prone to confounding by indication and healthy vaccinee bias. We aimed to systematically investigate these two forms of confounding/bias. METHODS: Systematic review...

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Bibliografiske detaljer
Udgivet i:BMC Infect Dis
Main Authors: Remschmidt, Cornelius, Wichmann, Ole, Harder, Thomas
Format: Artigo
Sprog:Inglês
Udgivet: BioMed Central 2015
Fag:
Research Article
Online adgang:https://ncbi.nlm.nih.gov/pmc/articles/PMC4609091/
https://ncbi.nlm.nih.gov/pubmed/26474974
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1186/s12879-015-1154-y
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