Acute respiratory infections (influenza, bronchiolitis, COVID-19). Bulletin dated March 18, 2026.

Key Points

Acute Respiratory Infections (ARI)

  • Decrease in activity among adults and stabilization among children, in the community and in hospitals. Indicators have returned to baseline levels across all age groups.

Influenza

  • Indicators at 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 at baseline levels nationally. In mainland France, all regions at baseline levels. The epidemic continues in Mayotte.

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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