在西尼罗河病毒在西班牙南部最大的爆发期间,快速响应的载体监测和紧急控制
Mikel Alexander González1,2,3, Carlos Barceló4, Roberto Muriel5
1Departamento de Entomología y Sanidad Ambiental, Athisa Medio Ambiente (Grupo SASTI), C/Herrería-4, 41210 Sevilla, Spain.
Insects
|November 27, 2025
概括
西班牙西班牙西班牙西班牙西班牙
科学领域:
- 关节动物传播的病毒性疾病
- 医学昆虫学 医学昆虫学
- 公共卫生昆虫学 昆虫学
背景情况:
- 西尼罗病毒 (WNV) 在欧洲构成日益严重的威胁,自2004年以来,西班牙的病例不断增加.
- 西班牙2024年的疫情是最大的,集中在西南部的城市地区.
- 这项研究针对了2024年爆发期间在六个关键市镇的WNV控制.
研究的目的:
- 描述西班牙一个主要的WNV热点地区的幼虫蚊子种群.
- 评估综合载体管理计划的有效性.
- 为未来的WNV预防和控制策略提供信息.
主要方法:
- 检查了725个潜在的幼虫地点,并采集了4457只未成熟的蚊子,使用技术.
- 通过吸入陷收集了2553只成年蚊子,确定了11个物种.
- 对COI基因进行了植物遗传学分析,用于蚊子物种识别.
- 使用Bacillus thuringiensis israelensis (Bti) 进行杀和使用cypermethrin进行成年杀虫.
- 利用通用线性混合模型来分析不同息地的幼虫数量.
主要成果:
- 在18.6%的检查地点发现未成熟的蚊子,特别是灌运河和沟.
- 科莱克斯皮皮恩斯 (Culex pipiens s.l.l.) 是一个有趣的植物. 是主要的物种;Cx. 的数量较少,但在流行病学上具有重要意义.
- 针对性Bti杀导致5次治疗后幼虫数量减少63.9%.
- 成年蚊子活动延长到秋季末,需要长时间的控制措施.
结论:
- 综合载体管理,包括有针对性的幼虫杀死和成年杀死,显著减少了蚊子种群.
- 有效的WNV控制需要快速,协调的干预以及扩展的季节性监测和治疗.
- 了解幼虫息地和蚊子物种动态对于防止西班牙未来出现WNV疫情至关重要.
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