Bronchiolitis is a respiratory illness primarily caused by the respiratory syncytial virus. Every winter, it affects nearly 30% of infants under the age of 2.

Bronchiolitis poses a significant public health challenge. A surveillance program and a prevention policy have been implemented to limit the spread of the disease.

Key Points Trends in surveillance indicators remain stable for adults and stable for children, at a high level High activity in private practice (SOS Médecins) and moderate activity in...

Key Points Nationally and regionally, the number of deaths from all causes reported by INSEE remains within the usual range of fluctuation in Week 14 of 2026 across all age...

Key Points In Week 15 (April 6–12, 2026), the number of emergency room visits and subsequent hospitalizations remained stable across all age groups. In line with rising temperatures,...

Key Points In Week 15 (April 6–12, 2026), activity at SOS Médecins continued to rise among those aged 75 and older (+7%, or +499 visits) and remained stable or declined in other age...