Acute Respiratory Infections (Flu, Bronchiolitis, COVID-19). Bulletin dated October 28, 2026.

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Check out Odissé for interactive data visualizations on the flu, bronchiolitis, and COVID-19

Key Points

Acute Respiratory Infections (ARI)

  • Indicators remain at baseline levels, despite a slight increase in healthcare utilization.

Influenza

  • All indicators remain at baseline levels. Sporadic detections of influenza viruses.

Bronchiolitis and RSV infections

  • All indicators remain at baseline levels in most regions, despite a moderate increase in emergency department visits for bronchiolitis. The Île-de-France and Martinique regions have moved into the pre-epidemic phase. Rhinoviruses and enteroviruses continue to circulate, which may lead to bronchiolitis.

COVID-19

  • Activity remains lower than that observed in previous seasons, with a slight increase in healthcare utilization.

In relation to

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grippe

Flu

thematic dossier

The flu is a contagious viral respiratory infection that causes seasonal outbreaks every winter. The flu vaccine is the most effective way to protect yourself.

Bronchiolitis

thematic dossier

Acute bronchiolitis is a viral respiratory illness that primarily affects children under the age of 2 during seasonal winter outbreaks.

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