Acute respiratory infections (influenza, bronchiolitis, COVID-19). Bulletin dated March 11, 2026.

Key Points

Acute respiratory infections (ARI)

  • Decreased activity in the city and in hospitals, with indicators returning to baseline levels across all age groups.

Influenza

  • Indicators have returned to baseline levels in all regions of mainland France. In the overseas territories, the Antilles are still in the epidemic phase, Mayotte is in the post-epidemic phase, and French Guiana and Réunion are at baseline levels.

Bronchiolitis

  • Syndromic indicators are decreasing in community settings and hospitals. In mainland France, 1 region is in the post-epidemic phase and 12 regions are at baseline levels. The epidemic continues in Mayotte; the Antilles are at baseline levels.

COVID-19

  • Syndromic indicators are generally stable and at low levels. The SARS-CoV-2 monitoring indicator in wastewater is decreasing.

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