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The potential effect of temporary immunity as a result of bias associated with healthy users and social determinants on observations of influenza vaccine effectiveness; could unmeasured confounding explain observed links between seasonal influenza vaccine and pandemic H1N1 infection?
BACKGROUND: Five observational studies from Canada found an association between seasonal influenza vaccine receipt and increased risk of pandemic influenza H1N1 2009 infection. This association remains unexplained. Although uncontrolled confounding has been suggested as a possible explanation, the n...
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| Main Authors: | , |
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| Formato: | Artigo |
| Idioma: | Inglês |
| Publicado em: |
BioMed Central
2012
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| Acesso em linha: | https://ncbi.nlm.nih.gov/pmc/articles/PMC3490826/ https://ncbi.nlm.nih.gov/pubmed/22716096 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1186/1471-2458-12-458 |
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