Journal
INFLUENZA AND OTHER RESPIRATORY VIRUSES
Volume 12, Issue 4, Pages 457-464Publisher
WILEY
DOI: 10.1111/irv.12558
Keywords
economic value; healthcare workers; hospital; implementation; influenza; patients; vaccination
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Funding
- Netherlands Organization for Health Research and Development (ZonMw) [125030012]
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BackgroundDespite the clinical evidence, influenza vaccination coverage of healthcare workers remains low. To assess the health economic value of implementing an influenza immunization program among healthcare workers (HCW) in University Medical Centers (UMCs) in the Netherlands, a cost-benefit model was developed using a societal perspective. Methods/PatientsThe model was based on a trial performed among all UMCs in the Netherlands that included both hospital staff and patients admitted to the pediatrics and internal medicine departments. The model structure and parameters estimates were based on the trial and complemented with literature research, and the impact of uncertainty explored with sensitivity analyses. ResultsIn a base-case scenario without vaccine coverage, influenza-related annual costs were estimated at Euro410815 for an average UMC with 8000 HCWs and an average occupancy during the influenza period of 6000 hospitalized patients. Of these costs, 82% attributed to the HCWs and 18% were patient-related. With a vaccination coverage of 15.47%, the societal program's savings were Euro 2861 which corresponds to a saving of Euro270.53 per extended hospitalization. Univariate sensitivity analyses show that the results are most sensitive to changes in the model parameters vaccine effectiveness in reducing influenza-like illness (ILI) and the vaccination-related costs. ConclusionIn addition to the decreased burden of patient morbidity among hospitalized patients, the effects of the hospital immunization program slightly outweigh the economic investments. These outcomes may support healthcare policymakers' recommendations about the influenza vaccination program for healthcare workers.
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