Acute respiratory infections (influenza, bronchiolitis, COVID-19). Bulletin dated November 26, 2025.
Key Points
Acute respiratory infections (ARI)
Activity is clearly on the rise among children and generally stable among adults.
Influenza
Increase in influenza indicators as the Île-de-France, Normandy, and Nouvelle-Aquitaine regions enter the pre-epidemic phase, and Mayotte enters the epidemic phase.
Bronchiolitis
Syndromic indicators are rising. Epidemic phase in Île-de-France, Normandy, Brittany, and Pays de la Loire. Six regions in mainland France are in the pre-epidemic phase.
COVID-19
All indicators are decreasing and at low levels.
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