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Hum Vaccin Immunother. 2019 Feb 8. doi: 10.1080/21645515.2019.1578597. [Epub ahead of print]

Use of adjuvanted trivalent influenza vaccine in older-age adults: a systematic review of economic evidence.

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a Department of Public Health , University of Naples "Federico II" , Naples , Italy.


Seasonal influenza is a very common disease. Yearly vaccination of at-risk population groups is a well-recognized cost-effective/cost-saving preventive measure. It is, however, unclear which available alternative has the most favorable economic profile. Some available options are: trivalent (TIV) and quadrivalent (QIV) inactivated vaccines, adjuvanted TIV (aTIV). Because of immunosenescence, aTIV has been specifically developed for elderly. The present study aimed at assessing the available evidence of aTIV use in elderly from the economic perspective. A systematic literature review targeting aTIV economic evaluations in adults aged ≥65 years was performed using Medline via Ovid, Embase, DARE and NHS/EED. Of a total of 3,654 papers screened, 18 studies (13 full papers, 5 conference abstracts) were included. It emerged that compared with both non-vaccination or non-adjuvanted vaccines, aTIV was cost-effective or cost-saving. The vaccinations strategies incorporating aTIV based on age and/or risk profile are associated with the most favorable economic outcomes.


Influenza; MF59; adjuvated; economic evidence; older age; systematic review; trivalent; vaccine

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