Key Points

In Nouvelle-Aquitaine: the bronchiolitis outbreak is declining, though activity levels remain high.

The bronchiolitis outbreak, which began early in week 41 (October 11–17, 2021), has been ongoing for 11 weeks in the region. In week 51 of 2021, a decline in the outbreak was observed in hospital emergency departments and at SOS Médecins clinics, but activity levels remain high in the region.