Key Points

• End of the bronchiolitis outbreak

• Decrease in emergency department visits and in the proportion of hospitalizations for bronchiolitis among all hospitalizations of children under 2 years of age

• Activity at SOS Médecins clinics has stabilized at a low to moderate level

• Few RSV cases detected in the virology laboratories of the region’s university hospitals

This outbreak was characterized by an early onset (week 40-2022), very high intensity—with more than 30.0% of emergency department visits among children under 2 years of age during the peak of the outbreak in week 47-2022—and a long duration (16 weeks).