Influenza Vaccination Effectiveness Against Influenza-Associated Hospitalization in Children and the Effects of Repeated Vaccination

Key Points

• Influenza vaccination significantly reduces the risk of influenza-associated hospitalization in children, highlighting its effectiveness.
• Repeated vaccination may alter effectiveness, necessitating exploration of new strategies to enhance protection.
• Assessment using data from ongoing vaccination programs shows patterns in hospitalization rates among vaccinated children and unvaccinated peers.
• Continued research may enable better strategies to maintain high effectiveness of influenza vaccination over time.