Key points

• Decrease in emergency department visits and hospitalizations following emergency department visits for bronchiolitis among children under 2 years of age in mainland France.

• The bronchiolitis epidemic has ended in all regions of mainland France since week 08/2023.

• Transition to the post-epidemic phase in Mayotte and continuation of the epidemic in Réunion

• Week 09 marks the end of the weekly bulletin for the 2022–2023 season. Publication may resume if the epidemic situation warrants it.