2024 re-emergence of coxsackievirus A24 variant causing an outbreak of acute hemorrhagic conjunctivitis in the South West Indian Ocean

In early 2024, an outbreak of acute hemorrhagic conjunctivitis occurred in Mayotte and in Madagascar, two islands in the Indian Ocean. Real-time diagnosis and genotyping identified a different lineage of coxsackievirus A24 variant (CVA24v) from the current Asian outbreak. Although no recombination e...

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Main Authors: Audrey Mirand, Maxime Bisseux, Louis Collet, Vincent Lacoste, Violaine Pierres, Jonhson Raharinantoanina, Richter Razafindratsimandresy, Hélène Chabrolles, Jean-Luc Bailly, Maël Bessaud, Anabelle Lapostolle, Cécile Henquell
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Language:English
Published: Taylor & Francis Group 2025-12-01
Series:Emerging Microbes and Infections
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Online Access:https://www.tandfonline.com/doi/10.1080/22221751.2025.2525266
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author Audrey Mirand
Maxime Bisseux
Louis Collet
Vincent Lacoste
Violaine Pierres
Jonhson Raharinantoanina
Richter Razafindratsimandresy
Hélène Chabrolles
Jean-Luc Bailly
Maël Bessaud
Anabelle Lapostolle
Cécile Henquell
author_facet Audrey Mirand
Maxime Bisseux
Louis Collet
Vincent Lacoste
Violaine Pierres
Jonhson Raharinantoanina
Richter Razafindratsimandresy
Hélène Chabrolles
Jean-Luc Bailly
Maël Bessaud
Anabelle Lapostolle
Cécile Henquell
author_sort Audrey Mirand
collection DOAJ
description In early 2024, an outbreak of acute hemorrhagic conjunctivitis occurred in Mayotte and in Madagascar, two islands in the Indian Ocean. Real-time diagnosis and genotyping identified a different lineage of coxsackievirus A24 variant (CVA24v) from the current Asian outbreak. Although no recombination event had been detected in all previously reported CVA24v-associated outbreaks associated with the subgenotype IV, we characterized a putative recombinant strain by full-length genome sequencing.
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spelling doaj-art-b7c8501f7e2c4b6ea98d7d8dfb1d4f482025-08-20T02:43:38ZengTaylor & Francis GroupEmerging Microbes and Infections2222-17512025-12-0114110.1080/22221751.2025.25252662024 re-emergence of coxsackievirus A24 variant causing an outbreak of acute hemorrhagic conjunctivitis in the South West Indian OceanAudrey Mirand0Maxime Bisseux1Louis Collet2Vincent Lacoste3Violaine Pierres4Jonhson Raharinantoanina5Richter Razafindratsimandresy6Hélène Chabrolles7Jean-Luc Bailly8Maël Bessaud9Anabelle Lapostolle10Cécile Henquell11National Reference Center for enteroviruses et parechoviruses, Virology laboratory, CHU Clermont-Ferrand, Clermont-Ferrand, FranceNational Reference Center for enteroviruses et parechoviruses, Virology laboratory, CHU Clermont-Ferrand, Clermont-Ferrand, FranceCHU Mamoudzou, Mayotte, FranceLaboratoire National de Référence pour la polio et la rougeole, Institut Pasteur de Madagascar, Unité de Virologie, Antananarivo, MadagascarService de santé des armées, RSMA MayotteLaboratoire National de Référence pour la polio et la rougeole, Institut Pasteur de Madagascar, Unité de Virologie, Antananarivo, MadagascarLaboratoire National de Référence pour la polio et la rougeole, Institut Pasteur de Madagascar, Unité de Virologie, Antananarivo, MadagascarNational Reference Center for enteroviruses et parechoviruses, Virology laboratory, CHU Clermont-Ferrand, Clermont-Ferrand, FranceLaboratoire Microorganismes: Génome et Environnement (LMGE), Université Clermont Auvergne, Clermont-Ferrand, FranceInstitut Pasteur, Université Paris Cité, Paris, FranceARS Mayotte, Santé publique France, FranceNational Reference Center for enteroviruses et parechoviruses, Virology laboratory, CHU Clermont-Ferrand, Clermont-Ferrand, FranceIn early 2024, an outbreak of acute hemorrhagic conjunctivitis occurred in Mayotte and in Madagascar, two islands in the Indian Ocean. Real-time diagnosis and genotyping identified a different lineage of coxsackievirus A24 variant (CVA24v) from the current Asian outbreak. Although no recombination event had been detected in all previously reported CVA24v-associated outbreaks associated with the subgenotype IV, we characterized a putative recombinant strain by full-length genome sequencing.https://www.tandfonline.com/doi/10.1080/22221751.2025.2525266Emerging enterovirusescomplete genome characterizationCoxsackiepol speciesEnterovirus Centerovirus surveillance
spellingShingle Audrey Mirand
Maxime Bisseux
Louis Collet
Vincent Lacoste
Violaine Pierres
Jonhson Raharinantoanina
Richter Razafindratsimandresy
Hélène Chabrolles
Jean-Luc Bailly
Maël Bessaud
Anabelle Lapostolle
Cécile Henquell
2024 re-emergence of coxsackievirus A24 variant causing an outbreak of acute hemorrhagic conjunctivitis in the South West Indian Ocean
Emerging Microbes and Infections
Emerging enteroviruses
complete genome characterization
Coxsackiepol species
Enterovirus C
enterovirus surveillance
title 2024 re-emergence of coxsackievirus A24 variant causing an outbreak of acute hemorrhagic conjunctivitis in the South West Indian Ocean
title_full 2024 re-emergence of coxsackievirus A24 variant causing an outbreak of acute hemorrhagic conjunctivitis in the South West Indian Ocean
title_fullStr 2024 re-emergence of coxsackievirus A24 variant causing an outbreak of acute hemorrhagic conjunctivitis in the South West Indian Ocean
title_full_unstemmed 2024 re-emergence of coxsackievirus A24 variant causing an outbreak of acute hemorrhagic conjunctivitis in the South West Indian Ocean
title_short 2024 re-emergence of coxsackievirus A24 variant causing an outbreak of acute hemorrhagic conjunctivitis in the South West Indian Ocean
title_sort 2024 re emergence of coxsackievirus a24 variant causing an outbreak of acute hemorrhagic conjunctivitis in the south west indian ocean
topic Emerging enteroviruses
complete genome characterization
Coxsackiepol species
Enterovirus C
enterovirus surveillance
url https://www.tandfonline.com/doi/10.1080/22221751.2025.2525266
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