Overview

• Santé publique France confirmed three additional chikungunya-related deaths in patients aged 71 to 95 with comorbidities, raising the island’s total to 15.
• Medical consultations for chikungunya fell by 24% to an estimated 3,800 cases during the week of May 19–25 compared with the previous week.
• Emergency department visits for the virus dropped by half, declining from 123 to 62 in the same period.
• Thirty-six further potential chikungunya fatalities are still under investigation by health authorities on La Réunion.
• Mainland France has recorded no autochthonous chikungunya infections as of May 28, 2025.