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Abstract

In 2025, an unprecedented number of autochthonous chikungunya transmission events occurred in mainland France. One of the largest outbreaks took place in Bergerac (south-west France). By 27 October, 100 locally acquired cases were identified. They had symptom onsets between June and October. Our data suggest that door-knocking surveys and vector control measures assisted in slowing the virus spread. Autochthonous outbreaks of mosquito-borne diseases are expected to become more frequent with climate change, so improving outbreak control is crucial.

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/content/10.2807/1560-7917.ES.2025.30.49.2500871
2025-12-11
2026-02-07
/content/10.2807/1560-7917.ES.2025.30.49.2500871
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Lessons from an investigation of an autochthonous chikungunya outbreak in Bergerac, mainland France, June to October 2025
<p class="citation"> <span>Citation style for this article:</span> <span class="meta-value authors"> <a href="/search?value1=Roman+Creuse&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Creuse Roman</a>, <a href="/search?value1=Alice+Herteau&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Herteau Alice</a>, <a href="/search?value1=Anne+Bernadou&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Bernadou Anne</a>, <a href="/search?value1=Val%C3%A9rie+Cesa&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Cesa Valérie</a>, <a href="/search?value1=Karim+Tararbit&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Tararbit Karim</a>, <a href="/search?value1=Guillaume+Lacour&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Lacour Guillaume</a>, <a href="/search?value1=Delphine+Binet&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Binet Delphine</a>, <a href="/search?value1=Guillaume+Andr%C3%A9+Durand&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Durand Guillaume André</a>, <a href="/search?value1=Florian+Franke&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Franke Florian</a>, <a href="/search?value1=Catarina+Krug&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Krug Catarina</a>, <a href="/search?value1=Laurent+Filleul&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Filleul Laurent</a></span>. Lessons from an investigation of an autochthonous chikungunya outbreak in Bergerac, mainland France, June to October 2025. <a href="/content/ecdc">Euro Surveill.</a> 2025;30(49):pii=2500871. <a href="https://doi.org/10.2807/1560-7917.ES.2025.30.49.2500871" title="doi link" target="_blank">https://doi.org/10.2807/1560-7917.ES.2025.30.49.2500871</a> <span class="ES_Article_citation"> <span class="generated">Received</span>: 17 Nov 2025;&nbsp;&nbsp; <span class="generated">Accepted</span>: 11 Dec 2025 </span> </p>
/content/10.2807/1560-7917.ES.2025.30.49.2500871
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