Key Points

• The bronchiolitis outbreak continues in mainland France, with circulation remaining at a high level despite a decrease in emergency room visits, hospitalizations following emergency room visits, and SOS Médecins medical interventions for bronchiolitis for the second consecutive week

• Transition to the epidemic phase in Mayotte, with earlier circulation of respiratory syncytial virus compared to previous years

• The bronchiolitis outbreak continues in Guadeloupe

• Bronchiolitis indicators in Réunion remain unstable at baseline levels