Health Surveillance in Brittany. Bulletin of February 28, 2025.

Key points

Bronchiolitis

  • No epidemic activity.

  • A slight increase in RSV detection has been reported by the virology laboratories at Rennes University Hospital and Brest University Hospital.

  • Other viruses capable of causing bronchiolitis are circulating, notably rhinoviruses.

Influenza and influenza-like illness

  • Epidemic activity. Decline in the monitored epidemic indicators.

  • Detection of influenza A and influenza B viruses is decreasing, according to the virology laboratories at the Rennes and Brest University Hospitals.

Gastroenteritis

  • High activity.

  • Indicators show a decrease in the number of emergency room visits and SOS Médecin consultations.

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