Key Points

• The bronchiolitis epidemic continues at a high level in mainland France as well as in Guadeloupe, Martinique, and Mayotte.

• Bronchiolitis surveillance indicators continue to decline in mainland France, following the peak of the outbreak in week 48.

• In mainland France and overall across the regions of southern France, the intensity of the outbreak in week 50 remains close to the levels reached during previous years’ peaks.

• Indicators continue to decline in most regions, stabilize in Corsica, Guadeloupe, and Martinique, and continue to rise in Mayotte.