基孔肯雅病毒2024年至2025年在法国拉西乌恩岛重新出现的基因组见解。

IF 9.9 2区医学 Q1 INFECTIOUS DISEASES

Eurosurveillance Pub Date : 2025-06-01 DOI:10.2807/1560-7917.ES.2025.30.22.2500344

Etienne Frumence, Géraldine Piorkowski, Nicolas Traversier, Rayane Amaral, Muriel Vincent, Ambroise Mercier, Nazli Ayhan, Laurent Souply, Laura Pezzi, Clément Lier, Gilda Grard, Guillaume André Durand, Xavier Deparis, Fabian Thouillot, Xavier de Lamballerie, Raphaelle Klitting, Marie-Christine Jaffar-Bandjee

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引用次数: 0

摘要

基孔肯雅病毒于2024年8月，即第一次重大疫情爆发18年后，再次出现在r union岛。对来自当前流行的173个基因组的分析显示，一个单系进化支具有与适应白纹伊蚊有关的突变，包括E1-A226V。贝叶斯推断在被发现前只有短暂的隐循环。2025年3月，在马约特岛也发现了相同的血统。法国大陆和全球的持续传播和确诊的旅行相关病例突出了更广泛的区域和国际传播的风险。

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Genomic insights into the re-emergence of chikungunya virus on Réunion Island, France, 2024 to 2025.

Chikungunya virus re-emerged on Réunion Island in August 2024, 18 years after a first major outbreak. Analysis of 173 genomes from the current epidemic reveals a monophyletic clade with mutations linked to adaptation to Aedes albopictus mosquitoes, including E1-A226V. Bayesian inference suggests only brief cryptic circulation before detection. The same lineage was also detected on Mayotte Island in March 2025. Continued spread and confirmed travel-related cases in mainland France and globally highlight the risk of wider regional and international dissemination.

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来源期刊

Eurosurveillance INFECTIOUS DISEASES-

CiteScore

32.70

自引率

2.10%

发文量

430

审稿时长

3-8 weeks

期刊介绍： Eurosurveillance is a European peer-reviewed journal focusing on the epidemiology, surveillance, prevention, and control of communicable diseases relevant to Europe.It is a weekly online journal, with 50 issues per year published on Thursdays. The journal includes short rapid communications, in-depth research articles, surveillance reports, reviews, and perspective papers. It excels in timely publication of authoritative papers on ongoing outbreaks or other public health events. Under special circumstances when current events need to be urgently communicated to readers for rapid public health action, e-alerts can be released outside of the regular publishing schedule. Additionally, topical compilations and special issues may be provided in PDF format.