Key Points

• Transition to the epidemic phase in the Pays-de-la-Loire region

• Transition to the pre-epidemic phase in the Auvergne-Rhône-Alpes, Hauts-de-France, Nouvelle-Aquitaine, and Provence-Alpes-Côte d’Azur regions

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