Dengue fever

Two unlinked locally acquired human cases of dengue identified in mainland France in 2026, as at 27 July 2026: one in the Tarn department and one in the Hérault department (both Occitanie region). Investigation and vector control measures are underway for both cases. No deaths reported. Since seasonal surveillance opened on 1 May 2026, 261 imported dengue cases have also been recorded nationally. Source: Santé publique France, national arbovirus (chikungunya/dengue/Zika/West Nile) enhanced surveillance bulletin of 29 July 2026, data as at 27 July 2026.

Case trend

Insufficient data (< 7 days)

First actions

• →Log in national surveillance system — continue routine monitoring
• →Compare with seasonal baseline for this region and disease
• →Include in weekly surveillance briefing — escalate if trend worsens (▲ cases or CFR)

Cite this page (Vancouver)

HealthWatch Global. Dengue fever outbreak — France [Internet]. 2026-07-27 [cited 2026 Jul 31]. Available from: https://healthwatch-global.com/en/outbreak/5ccc53c2-b17b-493b-aadf-233acb4b2cdf. Data source: Santé publique France.