In brief
Videos, infographics, key statistics, expert interviews… Find the latest news and key information about the West Nile virus here
national bulletin
Enhanced Arbovirus Surveillance Bulletin, October 7, 2026
news
Arboviral Diseases in 2026: Mosquito-Borne Diseases Continue to Spread This ...
The Disease
An arbovirus with an evolving and unpredictable epidemiology
West Nile Virus (WNV) is an arbovirus. Arboviruses—short for “arthropod-borne viruses”—are viruses transmitted by blood-feeding arthropods (notably mosquitoes, sandflies, and ticks). They belong to three main families: the Flaviviridae, ...
Our Work
The West Nile virus affects several European regions every year. In France, it is regularly detected along the Mediterranean coast but has now also been identified in many other regions. Its epidemiology is evolving, influenced by various factors, particularly environmental and climatic ones.
Surv...
Data
The West Nile Virus in France and Europe
Data for the year 2026 are included in the weekly bulletin on arboviral diseases in mainland France.
Publications
Here you will find the latest scientific publications related to the studies and research conducted by Santé publique France.
2 publications
article
Evaluation of the West Nile virus surveillance system in Guadeloupe using the Oasis method
rapport/synthèse
Evaluation of the Seasonal Surveillance System for Neuroinvasive West Nile Virus Infections, 2017
In relation to
Chikungunya
thematic dossier
Chikungunya is a viral disease transmitted by mosquitoes of the genus Aedes. The most common symptoms are fever and joint pain.
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.
Zika
thematic dossier
Zika is a viral disease transmitted primarily by mosquitoes but also through sexual contact. Symptoms are usually mild, but the virus can cause birth defects if a woman becomes infected during...
