Health Surveillance in Brittany. Bulletin of June 20, 2025.

Key Points

Extreme heat, heat wave

  • A heat wave has been underway in France since Thursday, June 19. As of June 20, Ille-et-Vilaine and Morbihan are under an orange heat wave alert. Météo-France alerts are available at vigilance.meteofrance.fr

Gastroenteritis

  • Low activity. Slight decrease in the number of emergency room visits and SOS Médecins consultations.

Allergies

  • Decrease in visits to hospital emergency rooms following the allergy peak observed in S22. The Capt’air Bretagne association has observed a decrease in grass pollen levels in S23.

In relation to

Our latest news

Appel à candidatures d'experts pour le remplacement d’un membre « sage-femme » du Comité national d'experts sur la mortalité maternelle (CNEMM)

news

Call for Nominations to Fill Vacancies on the National Reference Centers...

news

Public Health France Conference: November 9, 2026

news

Shamonda Virus: First Human Case Detected in France—What Do We Know?