Key Points

• Continued increase in bronchiolitis surveillance indicators among children under 2 years of age

• Transition to the epidemic phase in the Hauts-de-France, Île-de-France, Nouvelle-Aquitaine, and Occitanie regions

• Transition to the pre-epidemic phase in the Auvergne-Rhône-Alpes, Bourgogne-Franche-Comté, Bretagne, Centre-Val de Loire, Grand-Est, Guadeloupe, French Guiana, Martinique, Pays de la Loire, and Provence-Alpes-Côte d’Azur regions