Key Points Bronchiolitis in children under 1 year of age Bronchiolitis outbreak in the Pays de la Loire region since week 47. Indicators are declining. Moderate levels. Influenza and...

Key points Bronchiolitis In week 2025-49, the increase in bronchiolitis indicators that began in week 2025-45 continues: it accounts for 18% of emergency room visits and 10% of SOS...

Key points Acute respiratory infections Increased activity in hospital emergency departments (moderate activity level) and at SOS Médecins (high activity level) Bronchiolitis ( 1 year)...

Key points Acute Respiratory Infections In S49, indicators of acute respiratory infections (ARI) showed a marked increase, driven primarily by the intensified circulation of influenza...

Key points Bronchiolitis (children under 1 year of age) Progression of the epidemic in week 49-2025 (December 1–7) Continued increase in activity in emergency departments Increase in...

Key Points In Week 49 (December 1–7), the number of emergency department visits and hospitalizations following such visits increased among children (+9%, or +7,686 visits, and +7%, or...

Key Points In Week 49 (December 1–7, 2025), activity at SOS Médecins clinics increased among children (+9%, or 3,224 more visits) and among adults aged 15–74 (+7%, or 4,026 more visits)...

Key Points Acute respiratory infections (ARI) A marked increase in activity across all age groups. Influenza Continued rise in influenza indicators across all age groups. All regions of...

Key points Acute lower respiratory infections Increased activity in urban areas at SOS Médecins and within the Sentinelles network, as well as in emergency departments. Bronchiolitis (...

Key Points Acute Respiratory Infections All indicators for influenza/influenza-like illness were on the rise in week 49, particularly notably within the SOS Médecins network in Ajaccio,...