Autochthonous dengue in mainland France, 2022: geographical extension and incidence increase

Author:

Cochet Amandine1ORCID,Calba Clémentine2,Jourdain Frédéric1,Grard Gilda34,Durand Guillaume André34,Guinard Anne5,Noël Harold6,Paty Marie-Claire6,Franke Florian2,

Affiliation:

1. Santé publique France (French National Public Health Agency), Montpellier, France

2. Santé publique France (French National Public Health Agency), Marseille, France

3. Unité des Virus Émergents (UVE: Aix-Marseille Univ-IRD 190-Inserm 1207), Marseille, France

4. French Armed Forces Biomedical Research Institute, National Reference Laboratory for Arboviruses, Marseille, France

5. Santé publique France (French National Public Health Agency), Toulouse, France

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

Abstract

France faced an unusual situation of dengue transmission in 2022, with 65 autochthonous cases spread over nine transmission events by 21 October. This exceeded the number of cases observed during the entire period 2010 to 2021. Six of these events occurred in departments that had never experienced autochthonous dengue transmission. We provide an update of dengue surveillance data in mainland France in 2022. The multiplication of transmission events calls for continuous adaption of preparedness and response to arbovirus-related risks.

Publisher

European Centre for Disease Control and Prevention (ECDC)

Subject

Virology,Public Health, Environmental and Occupational Health,Epidemiology

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