Key Points

Influenza and Influenza-Like Illnesses

• Early-onset epidemic of moderate duration
• Moderate intensity in community practice but high in hospitals
• Co-circulation of the A(H1N1)pdm09 and A(H3N2) viruses; the latter was predominant during the epidemic phase
• High impact in terms of mortality at the peak of the epidemic, but lower than that observed last year

Bronchiolitis (under 1 year)

• Late-onset, short-duration epidemic
• Low-intensity epidemic

COVID-19

• Low levels of viral circulation and impact on emergency care utilization throughout the 2025–26 winter season