Acute respiratory infections (influenza, bronchiolitis, COVID-19). Bulletin dated February 4, 2026.

Key Points

Acute Respiratory Infections (ARI)

  • Activity stable or declining in the city and declining in emergency departments. Low to moderate intensity.

Influenza

  • Decreased healthcare utilization across all age groups, both in community settings and in hospitals, with viral circulation still active. All French regions are in an epidemic phase, except for Île-de-France and Mayotte, which have moved into the post-epidemic phase in S05 and S03 respectively, and Réunion, which is at baseline levels.

Bronchiolitis

  • Syndromic indicators at baseline levels in outpatient settings and hospitals. RSV circulation remains active, with a positivity rate in outpatient settings higher than that of the previous season during the same period. The epidemic continues in Mayotte and Martinique. Centre-Val de Loire, Hauts-de-France, and Guadeloupe have transitioned to the post-epidemic phase.

COVID-19

  • Syndromic indicators are stable and at very low levels. The SARS-CoV-2 monitoring indicator in wastewater is on the rise.

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