Key points

Bronchiolitis

• Activity outside of an epidemic. Stability in the indicators monitored in hospital emergency departments and SOS Médecins. Stability in RSV detection according to the Virology Laboratory at Rennes University Hospital and an increase at Brest University Hospital. Other viruses capable of causing bronchiolitis are circulating, notably rhinoviruses.

COVID-19

• Low activity. The proportion of cases in hospital emergency departments and SOS Médecins (all ages) is similar to that observed in 2024. Decrease in SARS-CoV-2 detection in respiratory specimens analyzed by the Virology Laboratories at the Rennes University Hospital (CHU) and the Brest University Hospital (CHRU).

Influenza and influenza-like illness

• Activity outside of an epidemic, low. Low detection of influenza A virus continues, according to data from the virology laboratories at the Brest University Hospital and the Rennes University Hospital.