Key Points

Seasonal bronchiolitis outbreak remains active in Réunion during week 21 of 2021 (May 24–30) with an increase in the number of cases (+15%):

• Epidemic peak reached in week 19 of 2021

• In week 21 of 2021, among children under 2 years of age:

  • 60 emergency department visits for bronchiolitis, representing 24% of total activity.

  • 28 visits for bronchiolitis were followed by hospitalization, representing 46% of all emergency department visits.

  • 4 out of 10 hospitalizations were for bronchiolitis.

• Increase in the number of RSV cases detected at the University Hospital