Influenza vaccine effectiveness in an Italian elderly population during the 2016-17 season.

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Abstract

Interim analyses of the 2016-17 influenza vaccine effectiveness showed variable results depending on timing of the analysis and geographical setting. We conducted a population-based retrospective cohort study based on the analysis of health-related administrative data to assess the effectiveness of the 2016-17 influenza vaccine among the elderly population of a North-Eastern Italian area. Data on 64849 subjects ≥65 years of age were analyzed up to April 30, 2017. The influenza vaccine was administered to 53% of the elderly population. No significant effect was observed on the likelihood of Emergency department visits, hospitalizations, or deaths from pneumonia and influenza. 

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Authors

Francesca Valent - Azienda Sanitaria Universitaria Integrata di Udine

Tolinda Gallo - Azienda Sanitaria Universitaria Integrata di Udine

How to Cite
Valent, F., & Gallo, T. (2018). Influenza vaccine effectiveness in an Italian elderly population during the 2016-17 season. Annali dell’Istituto Superiore Di Sanità, 54(1), 67-71. Retrieved from https://annali.iss.it/index.php/anna/article/view/631
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