Interim Estimates of 2025-26 Seasonal Influenza Vaccine Effectiveness - United States, September 2025-February 2026 - PubMed
7 hours ago
- #public health
- #vaccine effectiveness
- #influenza
- Interim influenza vaccine effectiveness (VE) estimates for the 2025-26 season were calculated using a test-negative case-control design.
- Among children and adolescents (<18 years), VE was 38%-41% against outpatient visits and 41% against hospitalization.
- Among adults (≥18 years), VE was 22%-34% against outpatient visits and 30% against hospitalization.
- VE against influenza A ranged from 37%-42% in children/adolescents and 30%-34% in adults.
- VE against influenza A(H3N2) was 35% (outpatient) and 38% (hospitalization) in children/adolescents.
- VE against influenza B was 45%-71% in children/adolescents and 63% in adults.
- CDC recommends influenza vaccination for all persons aged ≥6 months, as vaccines remain available.
- Several authors disclosed institutional support, consulting fees, or participation in advisory boards related to vaccine research.