巴黎西尼罗河病毒的基因组流行病学
Raphaelle Klitting1,2, Mathilde Gondard3, Laura Pezzi1,2
1Centre National de Référence des Arbovirus, National Institute of Health and Medical Research-Institut de Recherche Biomédicale des Armées, Marseille, France.
JAMA network open
|February 16, 2026
概括
西尼罗病毒系2 (WNV-L2) 在法国从2022-2025年流传,起源于南大西洋地区. 基因组监测是跟踪WNV传播和告知公共卫生反应的关键.
科学领域:
- 基因组流行病学基因组流行病学
- 病毒遗传学 病毒遗传学
- 公共卫生监督是对公共卫生的监督.
背景情况:
- 西尼罗河病毒 (WNV) 在欧洲构成日益严重的威胁.
- 在2025年在巴黎出现了WNV系2 (WNV-L2),需要进行起源和分散分析.
研究的目的:
- 描述法国的WNV时空动态 (2022-2025年).
- 确定导致2025年巴黎出现的WNV血统的起源.
主要方法:
- 基因组流行病学结合了人类,兽医和昆虫学监测.
- 病毒基因组测序和时间解析的贝叶斯系遗传学分析.
- 在法国大都会地区进行监测,重点关注受WNV影响的地区.
主要成果:
- 检测到的唯一血统是WNV-L2 (2022-2025年).
- 2024年西地中海菌株与2023年法国南大西洋菌株相关联.
- 2025年巴黎疫情菌株起源于2023-2024年南大西洋WNV-L2类.
结论:
- 基因组数据揭示了当地的WNV维护和长途传播.
- 加强基因组监测对于预测WNV传播和为公共卫生战略提供信息至关重要.
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