One step closer to influenza vaccine inclusiveness

Mayla Sgrulletti1, Giorgio Ottaviano2, Maria Sangerardi3

  • 1Pediatric Immunopathology and Allergology Unit, University of Rome Tor Vergata, Policlinico Tor Vergata, Rome, Italy.

Insights

The flu vaccine is recommended for most individuals, especially children and those with risk factors for severe illness. This review supports inclusive flu vaccination strategies for vulnerable populations.

Area of Science:

  • * Virology and Immunology
  • * Public Health and Epidemiology

Background:

  • * Influenza virus infections cause significant acute respiratory illness, particularly in pediatric populations, leading to high morbidity and mortality.
  • * Risk factors for severe flu complications include young age, advanced age, pregnancy, chronic conditions (e.g., asthma), and immunodeficiency.
  • * Current flu vaccination strategies target these vulnerable groups.

Purpose of the Study:

  • * To review current influenza vaccine indications for vulnerable populations.
  • * To support inclusive flu vaccination strategies.
  • * To provide a foundation for future universal influenza vaccine approaches.

Main Methods:

  • * Review of current scientific literature and guidelines on influenza vaccination.
  • * Analysis of indications and contraindications for available flu vaccines.
  • * Focus on vulnerable populations and vaccination inclusiveness.

Main Results:

  • * Inactivated influenza vaccine (IIV), recombinant influenza vaccine (RIV), and live-attenuated influenza virus (LAIV) are available with specific usage guidelines.
  • * Certain populations (pediatric, elderly, pregnant, immunocompromised, those with chronic diseases) are prioritized for vaccination due to higher risk.
  • * Precautions and contraindications exist for different vaccine types and patient groups.

Conclusions:

  • * Current influenza vaccination recommendations aim to protect high-risk groups.
  • * Ensuring vaccine access and adherence in vulnerable populations is crucial for public health.
  • * This review supports the ongoing development towards a universal influenza vaccine strategy.