State-of-the-art of the high dose influenza vaccine in Spain - Report - MDSpire

State-of-the-art of the high dose influenza vaccine in Spain

  • By

  • Iván Sanz-Muñoz

  • Manel Farre-Avella

  • Paulo J. Barroso-Santos

  • José M. Eiros

  • June 30, 2026

  • 0 min

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Clinical Report: Current Advances in High-Dose Influenza Vaccination in Spain

Overview

High-dose influenza vaccines have shown superior effectiveness in preventing severe outcomes in older adults compared to standard-dose vaccines. The report discusses the introduction and uptake of high-dose vaccines in Spain.

Background

Influenza poses a significant health risk, particularly for older adults who experience higher hospitalization and mortality rates. The introduction of high-dose influenza vaccines aims to enhance protection for this vulnerable population.

Data Highlights

No numerical data is available from the source material.

Key Findings

  • High-dose influenza vaccines are more effective than standard-dose vaccines in preventing severe influenza-related outcomes.
  • Older adults, particularly those aged ≥60 years, are at increased risk for complications from influenza.
  • Evidence supports the adoption of high-dose vaccines in Spain, with varying uptake across regions.
  • High-dose vaccines have been incorporated into national vaccination strategies.
  • International guidelines recommend high-dose vaccines for older adults.

Clinical Implications

Monitoring vaccination strategies and uptake can help address disparities in access and coverage.

Conclusion

The adoption of high-dose influenza vaccines in Spain reflects a shift in vaccination strategies aimed at protecting older adults.

Related Resources & Content

  1. Drug Safety, Evaluation of the Safety Profile of GSK's Inactivated Quadrivalent Seasonal Influenza Vaccine in Belgium, Germany, and Spain: A Passive Enhanced Safety Surveillance Study for the 2019/2020 Influenza Season
  2. JAMA Network Open, High-Dose vs Standard-Dose Influenza Vaccines in Older Adults: A Meta-Analysis
  3. The Journal of Infectious Diseases, Estimating Standard-Dose and High-Dose Fluzone Vaccine Efficacies for Influenza A Based on Hemagglutination Inhibition Titers
  4. Drug Safety, Improved Safety Monitoring of GSK’s Inactivated Quadrivalent Seasonal Influenza Vaccine in Belgium, Germany, and Spain During the 2022/2023 Influenza Season
  5. Spain’s national recommendations for influenza vaccination 2025-26
  6. Spain’s national recommendations for influenza vaccination 2026-27
  7. CIMA, FICHA TECNICA EFLUELDA SUSPENSION INYECTABLE EN JERINGA PRECARGADA
  8. CDC, Summary of Recommendations for Influenza Vaccination
  9. https://www.sanidad.gob.es/areas/promocionPrevencion/vacunaciones/gripe_covid19/docs/recomendacionesVacunacionGripe_2025_2026.pdf
  10. https://www.sanidad.gob.es/areas/promocionPrevencion/vacunaciones/gripe_covid19/docs/recomendacionesVacunacionGripe_2026_2027.pdf
  11. Effectiveness of high-dose influenza vaccine against hospitalisations in older adults (FLUNITY-HD): an individual-level pooled analysis - ScienceDirect
  12. Effectiveness of High-Dose Influenza Vaccine Against Hospitalizations in Older Adults - American College of Cardiology
  13. High-Dose Influenza Vaccine Effectiveness against Hospitalization in Older Adults - PubMed
  14. High-dose quadrivalent influenza vaccine in older adults with or without cardiovascular risk: a meta-analysis of randomized trials on 511,890 participants | Immunity & Ageing | Springer Nature Link

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