Health Monitoring in Brittany. Bulletin dated October 2, 2026.

Key Points

Asthma

  • In Week 39, we observed a continued decline in activity that began in Week 38, both in emergency departments and at SOS Médecins, across all age groups and among children under 15.

Lower Respiratory Tract Infections (LRTI)

  • Despite generally low activity levels, there was an increase in cases related to COVID-19 and the flu. For the flu, this increase was primarily seen at SOS Médecins, with a 29% rise in consultations between Week 39 and Week 38 (40 additional consultations). For COVID-19, there was a slight increase in emergency department visits and SOS Médecins consultations; however, the proportion of activity associated with these cases remained marginal (<0.2% and <0.9%, respectively).

Extreme heat, heat wave

  • The seasonal monitoring period ends this week (Week 39).

Allergies

  • Allergy-related activity has remained relatively stable, falling within the usual seasonal fluctuations since the start of summer, both in emergency departments and at SOS Médecins.

Gastroenteritis

  • Activity levels in Brittany are considered low, with overall stability in indicators across all age groups, both in emergency departments and at SOS Médecins. Activity remains within the usual seasonal fluctuations.

ENT Conditions

  • Activity has been relatively low during the summer. Overall activity related to ENT conditions in S39 has remained stable, both in emergency departments and at SOS Médecins.

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