Ann Ist Super Sanita 2018 Jan-Mar;54(1):67-71
Azienda Sanitaria Universitaria Integrata di Udine, Udine, Italy.
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 64854 subjects ≥65 years of age were analyzed up to April 30, 2017. Read More