Acute respiratory infections (influenza, bronchiolitis, COVID-19). Bulletin dated December 10, 2025.
Key Points
Acute respiratory infections (ARI)
A marked increase in activity across all age groups.
Influenza
Continued rise in influenza indicators across all age groups. All regions of mainland France are in an epidemic phase, except for Corsica, which has moved to a pre-epidemic phase. French Guiana also moved to a pre-epidemic phase in week 48, and Mayotte has been in an epidemic phase since week 47.
Bronchiolitis
The epidemic continues in mainland France. Guadeloupe and Martinique have entered the epidemic phase. Pre-epidemic phase in Corsica, Réunion, and Mayotte.
COVID-19
Syndromic indicators are generally stable and at low levels. The SARS-CoV-2 monitoring indicator in wastewater is on the rise.
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