Key points

Measles

• Since July 17, 2025, no new cases of measles have been identified in Réunion.

Chikungunya

• Viral transmission continues to decline, with viral circulation limited to two municipalities and no significant impact on healthcare utilization.

Dengue

• The last confirmed local case was identified in week 17, and the last imported case in week 25.

Acute Respiratory Infections (ARI)

• The flu epidemic remains active but is on the decline, with a predominance of influenza A(H3N2) viruses.

• Health indicators related to bronchiolitis remain low.

Gastroenteritis

• Increase in health indicators in hospitals and community practice.