Molecular epidemiology identifies the expansion of the DENV2 epidemic lineage from the French Caribbean Islands to French Guiana and mainland France, 2023 to 2024

Raphaëlle Klitting; Géraldine Piorkowski; Dominique Rousset; André Cabié; Etienne Frumence; Alisé Lagrave; Anne Lavergne; Antoine Enfissi; George dos Santos; Laurence Fagour; Raymond Césaire; Marie-Christine Jaffar-Bandjee; Nicolas Traversier; Patrick Gérardin; Rayane Amaral; Lucie Fournier; Lucie Leon; Frédérique Dorléans; Muriel Vincent; Albin Fontaine; Anna-Bella Failloux; Nazli Ayhan; Laura Pezzi; Gilda Grard; Guillaume André Durand; Xavier de Lamballerie

doi:10.2807/1560-7917.es.2024.29.13.2400123

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Molecular epidemiology identifies the expansion of the DENV2 epidemic lineage from the French Caribbean Islands to French Guiana and mainland France, 2023 to 2024

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Molecular epidemiology identifies the expansion of the DENV2 epidemic lineage from the French Caribbean Islands to French Guiana and mainland France, 2023 to 2024

Raphaëlle Klitting, Géraldine Piorkowski, Dominique Rousset, André Cabié, Etienne Frumence, Alisé Lagrave, Anne Lavergne, Antoine Enfissi, George dos Santos, Laurence Fagour, …

Eurosurveillance, Vol.29(13)

www.eurosurveillance.org

28/03/2024

DOI: https://doi.org/10.2807/1560-7917.es.2024.29.13.2400123

PMCID: PMC10979529

PMID: 38551097

Abstract

molecular epidemiology

surveillance.

molecular epidemiology

arbovirus

dengue

emergence

molecular epidemiology

In 2023, dengue virus serotype 2 (DENV2) affected most French overseas territories. In the French Caribbean Islands, viral circulation continues with > 30,000 suspected infections by March 2024. Genome sequence analysis reveals that the epidemic lineage in the French Caribbean islands has also become established in French Guiana but not Réunion. It has moreover seeded autochthonous circulation events in mainland France. To guide prevention of further inter-territorial spread and DENV introduction in non-endemic settings, continued molecular surveillance and mosquito control are essential.

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Title: Molecular epidemiology identifies the expansion of the DENV2 epidemic lineage from the French Caribbean Islands to French Guiana and mainland France, 2023 to 2024
Creators - without role: Raphaëlle Klitting - Aix-Marseille Université
Géraldine Piorkowski - Inserm
Dominique Rousset - Centre National de Référence pour les Arbovirus [Cayenne, Guyane française]
André Cabié - Inserm
Etienne Frumence - Centre Hospitalier Universitaire de La Réunion
Alisé Lagrave - Centre National de Référence pour les Arbovirus [Cayenne, Guyane française]
Anne Lavergne - Centre National de Référence pour les Arbovirus [Cayenne, Guyane française]
Antoine Enfissi - Centre National de Référence pour les Arbovirus [Cayenne, Guyane française]
George dos Santos - Université de Montpellier, Pathogenesis and Control of Chronic and Emerging Infections - PCCEI
Laurence Fagour - Université de Montpellier, Pathogenesis and Control of Chronic and Emerging Infections - PCCEI
Raymond Césaire - Université de Montpellier, Pathogenesis and Control of Chronic and Emerging Infections - PCCEI
Marie-Christine Jaffar-Bandjee - Centre Hospitalier Universitaire de La Réunion
Nicolas Traversier - Centre Hospitalier Universitaire de La Réunion
Patrick Gérardin - Peuplements végétaux et bioagresseurs en milieu tropical
Rayane Amaral - Inserm
Lucie Fournier - Santé Publique France
Lucie Leon - Santé Publique France
Frédérique Dorléans - Santé Publique France
Muriel Vincent - Santé Publique France
Albin Fontaine - Institut de Médecine Tropicale du Service de Santé des Armées
Anna-Bella Failloux - Arbovirus et Insectes Vecteurs - Arboviruses and Insect Vectors
Nazli Ayhan - Inserm
Laura Pezzi - Inserm
Gilda Grard - Inserm
Guillaume André Durand - Institut de Recherche pour le Développement
Xavier de Lamballerie - Inserm
Publication Details: Eurosurveillance, Vol.29(13)
Series: www.eurosurveillance.org
Grant note: This work was supported by the ARBOGEN project, funded by the MSDAVENIR foundation. The activity of the National Reference Centers is supported by the French national health agency (Santé publique France). The activity of the UVE is supported by its supervising institutional bodies (Aix-Marseille Université, Università di Corsica, Institut national de la santé et de la recherche médicale, Institut de recherche pour le développement, Institut de Recherche Biomédicale des Armées).
Identifiers: 9939546309311
Academic Unit: Pathogenesis and Control of Chronic and Emerging Infections - PCCEI
Language: English
Resource Type: Journal article
Local Fields: hal-04529583