Chikungunya, Dengue, Zika, and West Nile Virus in Nouvelle-Aquitaine. Bulletin dated October 9, 2026.

Key Points

Chikungunya

  • Sixteen locally transmitted outbreaks of chikungunya were identified (14 in Gironde, 1 in Landes, and 1 in Pyrénées-Atlantiques).

Dengue

  • One locally transmitted dengue outbreak identified in Dordogne (resolved)
  • Forty imported cases of dengue—probable or confirmed—have been identified in Nouvelle-Aquitaine

Zika

  • No imported cases of Zika have been identified in Nouvelle-Aquitaine

West Nile

  • 7 locally transmitted cases of West Nile virus have been identified in Gironde

In relation to

West Nile virus

thematic dossier

West Nile virus is an arbovirus primarily transmitted by mosquitoes that can cause neurological disorders in humans. It is a virus found in birds, but it can also infect humans and horses. In...

Dengue

thematic dossier

Dengue fever is a viral disease transmitted by mosquitoes of the genus Aedes. The most common symptoms are fever and joint pain. Its complications can be severe.

Chikungunya

thematic dossier

Chikungunya is a viral disease transmitted by mosquitoes of the genus Aedes. The most common symptoms are fever and joint pain.

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