检测西尼罗河病毒和圣路易斯脑炎病毒在德克萨斯大陆和高平原地区,美国,在2024年
Journal of the American Mosquito Control Association
|March 13, 2026
概括
德克萨斯州的活跃蚊子监测发现Culex蚊子中西尼罗河病毒 (WNV) 和圣路易斯脑炎病毒 (SLEV) 的高发病率. 这些发现证实了德克萨斯州的Panhandle和High Plains是美国WNV高风险地区.
科学领域:
- 关节动物传播的病毒性疾病监测监测
- 医学昆虫学 医学昆虫学
- 公共卫生病毒学.
背景情况:
- 德克萨斯州的Panhandle和High Plains地区表现出高的人类神经发病率西尼罗河病毒 (WNV) 和圣路易斯脑炎病毒 (SLEV).
- 目前的监测依赖于对人类病例的被动检测,在树状病毒动物性循环中造成知识差距.
- 需要积极的蚊子监测,以了解WNV和SLEV传播动态.
研究的目的:
- 在德克萨斯州的Panhandle和High Plains地区实施WNV和SLEV的活跃蚊子监测.
- 评估关键蚊子载体中WNV和SLEV的流行率.
- 在这些地区确定树木病毒传播的高风险地区.
主要方法:
- 使用BG哨兵和CDC光陷进行本地化 (Lubbock,TX) 和区域监视.
- 收集并识别了Culex蚊子,特别是Cx. 塔尔萨利斯和Cx. 这两种. 五形状. 五形状.
- 使用RNA提取和实时定量PCR测试WNV和SLEV的蚊子超级池.
主要成果:
- 在卢博克,63 Cx. 塔尔萨利斯和36个Cx. quinquefasciatus超级池的WNV检测结果呈阳性; 8 Cx. 塔尔萨利斯和4个Cx. quinquefasciatus超级池的测试结果对SLEV.呈阳性
- 区域监测检测到23个Cx中的3个WNV. 塔尔萨利斯和Cx. 这两种. 来自Panhandle县的quinquefasciatus超级游泳池 (13%).
- 在Culex蚊子中大量检测到WNV和SLEV,支持研究区域的高风险状态.
结论:
- 积极的蚊子监测有效地检测到德克萨斯州的Panhandle和High Plains地区的WNV和SLEV.
- 这些发现强调了WNV和SLEV在这些地区对公共卫生构成的重大威胁.
- 加强树木病毒监测对于有效的WNV和SLEV预防和控制策略至关重要.
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