Key Points

Chikungunya

• 529 cases of chikungunya on the island since August 23, 2024.

• The outbreak is accelerating, with cases doubling in one week, rising from 82 in week 03 to 169 in week 04.

• Reunion remains in the midst of a chikungunya outbreak.

Acute Respiratory Infections (ARI)

• For influenza and bronchiolitis, health indicators remain at baseline levels with a low health impact.

• Moderate increase in hospital health indicators related to COVID-19

Gastroenteritis

• Health indicators remain at baseline levels.

Leptospirosis

• The first cases of 2025 have been reported to the CVAGS (fewer than 5 cases).