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Spotlight influenza: Estimation of influenza vaccine effectiveness in elderly people with assessment of residual confounding by negative control outcomes, Finland, 2012/13 to 2019/20
BACKGROUND: Cohort studies on vaccine effectiveness are prone to confounding bias if the distribution of risk factors is unbalanced between vaccinated and unvaccinated study subjects. AIM: We aimed to estimate influenza vaccine effectiveness in the elderly population in Finland by controlling for a...
Autores principales: | , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
European Centre for Disease Prevention and Control (ECDC)
2021
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8431990/ https://www.ncbi.nlm.nih.gov/pubmed/34505568 http://dx.doi.org/10.2807/1560-7917.ES.2021.26.36.2100054 |