Key points

Bronchiolitis (under 1 year)

• Epidemic activity. Sharp increase in hospital emergency room visits and stable numbers of SOS Médecins consultations. Continued rise in RSV detection according to the virology laboratories at the Brest and Rennes University Hospitals. Other viruses capable of causing bronchiolitis are circulating, notably rhinoviruses.

COVID-19

• Low activity. The proportion of associated cases (all ages) is similar to that observed in 2024. Detection of SARS-CoV-2 remains stable in respiratory specimens analyzed by the virology laboratories at the Rennes University Hospital and the Brest University Hospital.

Influenza and influenza-like illness

• Pre-epidemic activity. An upward trend in the number of SOS Médecins consultations and emergency room visits for influenza and influenza-like illness. Increased detection of influenza A virus according to data from the Virology Laboratory at the Brest University Hospital.

Gastroenteritis

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

ENT conditions

• High activity related to ENT conditions. In week 48, among children under 5, ENT conditions accounted for 13.9% of visits and 55.7% of SOS Médecins consultations.