Expanding enhanced influenza vaccines programs for adults aged ≥65 in the Nordic region predicted to improve public health and health system resilience
Vaccine·
- DOI
- 10.1016/j.vaccine.2026.128934
- PMID
- 42468224
- PMCID
- —
- OpenAlex
- W7169560238
- Study type
- Journal article
- Publisher
- Elsevier BV
- Article type
- journal-article
- Integrity
- current
Why this research matters now
Scaling up advanced immunization protocols for senior citizens may reduce seasonal disease burden and alleviate pressure on medical facilities during peak viral circulation periods.
Structured evidence summary
Research question
What are the projected clinical and economic outcomes of implementing universal enhanced influenza vaccination for individuals aged sixty-five and above across four Scandinavian nations?
Study design
A computational modeling approach utilizing a decision tree structure to simulate seasonal influenza transmission and evaluate alternative immunization strategies for older populations.
Population and setting
Elderly residents living in Sweden, Finland, Norway, and Denmark targeted for expanded immunization coverage.
Main findings
Simulations indicated that broadening access to superior vaccine formulations would avert several thousand annual infections, preserve hundreds of life-years, and lower hospital admission rates across the studied nations. Projected financial requirements for vaccine procurement ranged between roughly €2.4 million and €7.7 million per country, which researchers framed as a manageable expense compared to total medical expenditures.
Public-health relevance
Scaling up advanced immunization protocols for senior citizens may reduce seasonal disease burden and alleviate pressure on medical facilities during peak viral circulation periods.
Important limitations
Reliance on a decision tree simulation means results depend on input parameters and assumed vaccine effectiveness rather than observed patient outcomes.
GIDS interpretation
This article serves as a regional policy evaluation resource that outlines anticipated epidemiological and fiscal shifts following immunization strategy modifications for older demographics, offering contextual reference material for administrative planning.
Related GIDS surveillance
Literature context does not validate, explain, or change a surveillance signal. Exact and contextual relationships are shown separately.
Evidence relationships
This article has 11 auditable classifier relationships to diseases, places, topics, and study design.