Preliminary report of an autochthonous chikungunya outbreak in France, July to September 2017

Author:

Calba Clémentine1,Guerbois-Galla Mathilde23,Franke Florian1,Jeannin Charles4,Auzet-Caillaud Michelle5,Grard Gilda23,Pigaglio Lucette5,Decoppet Anne5,Weicherding Joel5,Savaill Marie-Christine6,Munoz-Riviero Manuel6,Chaud Pascal1,Cadiou Bernard7,Ramalli Lauriane81,Fournier Pierre9,Noël Harold10,De Lamballerie Xavier2,Paty Marie-Claire10,Leparc-Goffart Isabelle23

Affiliation:

1. Regional office of the French National Public Health Agency (Cire Paca-Corse), Marseille, France

2. UMR EPV ‘Émergence des Pathologies Virales’, Aix-Marseille University - IRD 190 - Inserm 1207 – EHESP – IHU Méditerranée Infection, Marseille, France

3. Armed Forces Biomedical Research Institute, National Reference Laboratory for arboviruses, Marseille, France

4. Entente Interdépartementale pour la Démoustication du littoral Méditerranéen (EID Méditerranée), Public mosquito control operator, Montpellier, France

5. Regional Health Agency of Provence-Alpes-Côte d’Azur (ARS Paca), Toulon, France

6. Regional Health Agency of Provence-Alpes-Côte d’Azur (ARS Paca), Marseille, France

7. Entente Interdépartementale pour la Démoustication du littoral Méditerranéen (EID Méditerranée), Public mosquito control operator, Le Cannet-des-Maures, France

8. European Programme for Intervention Epidemiology Training (EPIET), European Centre for Disease Prevention and Control (ECDC), Stockholm, Sweden

9. Eurofins Biomnis, Lyon, France

10. French National Public Health Agency (Santé publique France), Saint-Maurice, France

Abstract

In August 2017, an autochthonous chikungunya case was reported in south-east France. By mid-September, eight additional autochthonous cases were found in the index case’s neighbourhood, where the chikungunya virus vector Aedes albopictus was observed. Genomic characterisation identified an East-Central South African (ECSA) lineage strain, probably from the Central African region and carrying an adaptive mutation facilitating transmission by Ae. albopictus. The event confirms we need early case detection and response to contain chikungunya in Europe.

Publisher

European Centre for Disease Control and Prevention (ECDC)

Subject

Virology,Public Health, Environmental and Occupational Health,Epidemiology

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