Monkeypox (Mpox)

• 10 cases (including 4 imported cases) were reported in Réunion between S05 and S19/2026

Leptospirosis

• The ongoing seasonal resurgence of leptospirosis continues at a high level:
  179 cases in 2026

Dengue and Chikungunya

• 38 cases of chikungunya and 169 cases of locally acquired dengue have been detected since the beginning of the year, with several clusters of dengue cases observed in Saint-Leu, Le Tampon, L’Etang-Salé, La Possession, and various neighborhoods of Saint-Paul.

Influenza and flu-like illness

• No significant health impact

Bronchiolitis in children under 2

• Health indicators at a low intensity level

COVID-19

• Health and virological indicators of very low intensity

Gastroenteritis

• Health indicators have remained stable over the past few weeks