Health Surveillance in Brittany. Bulletin of April 30, 2026.

Key Points

Asthma

  • Moderate activity. Decrease in emergency room visits and SOS Médecins consultations across all age groups.

Allergies

  • Stable number of emergency room visits and a slight increase in SOS Médecins consultations.

Gastroenteritis

  • Moderate activity. Decrease in SOS Médecins consultations across all age groups; stable at hospital emergency departments.

ENT conditions

  • Moderate activity related to ENT conditions. In Week 17, among children under 5, ENT conditions accounted for 11.8% of emergency room visits and 47% of SOS Médecins consultations. High detection rates of rhinoviruses/enteroviruses by the virology laboratories at the Brest and Rennes University Hospitals (positivity rates of 15% (24/158) and 17% (10/58), respectively).

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