Acute respiratory infections (influenza, bronchiolitis, COVID-19). Bulletin dated November 19, 2025.
Key Points
Acute Respiratory Infections (ARI)
Activity generally stable across all age groups but increasing among those under 15.
Influenza
All indicators remain at baseline levels in all regions except Mayotte, which has been in the pre-epidemic phase since week 44.
Bronchiolitis
Syndromic indicators on the rise. Epidemic phase in Île-de-France and Normandy. Pre-epidemic phase in Auvergne-Rhône-Alpes, Brittany, Hauts-de-France, and Pays de la Loire.
COVID-19
Syndromic and virological activity is generally decreasing in community settings and hospitals. The indicator in wastewater continues to decline.
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