Health Surveillance in the Pays de la Loire Region. Bulletin of December 24, 2025.

Key Points

Bronchiolitis in children under 1 year of age

  • Flu outbreak in the Pays de la Loire region since week 49.

  • Indicators on the rise. Moderate levels.

Flu and flu-like illness

  • Bronchiolitis outbreak in the Pays de la Loire region since week 47.

  • Indicators stable. Moderate levels.

COVID-19

  • Indicators stable. Low levels.

Acute gastroenteritis

  • Indicators declining. Low levels.

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