Health Surveillance in the Pays de la Loire Region. Bulletin of January 14, 2026.

Key Points

Influenza and Flu-Like Illness

  • Influenza epidemic in the Pays de la Loire region since Week 49.

  • Indicators stable or declining. Moderate levels.

Bronchiolitis in children under 1 year of age

  • Transition to the post-epidemic phase of bronchiolitis in the Pays de la Loire region in week 02.

  • Indicators declining. Low levels.

COVID-19

  • Indicators stable. Low levels.

Acute gastroenteritis

  • Indicators slightly down or up. Low to moderate levels.

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