Health Surveillance in Brittany. Bulletin of April 4, 2025.

Key Points

Influenza and influenza-like illness

  • Post-epidemic activity. Continued low detection rates of influenza A and B viruses, according to the virology laboratories at Rennes University Hospital and Brest University Hospital. Continued decline in calls to SOS Médecins.

Bronchiolitis

  • Non-epidemic activity. Low detection of RSV according to the virology laboratories at Rennes University Hospital and Brest University Hospital. Other viruses capable of causing bronchiolitis are circulating, notably rhinoviruses.

Gastroenteritis

  • High activity. High activity affecting children in particular. The upward trend in emergency department visits among those under 15 continues.

In relation to

Our latest news

news

Sexual Health Week 2026: Screening and Prevention Remain Essential

news

10 years of commitment and action in the service of public health

news

Call for Applications for the Renewal of the Editorial Board of the Weekly...