现在是时候考虑西尼罗河和乌苏图病毒在意大利中部特有吗?
Federico Romiti1, Maria Teresa Scicluna1, Francesco Censi2
1Istituto Zooprofilattico Sperimentale del Lazio e della Toscana M. Aleandri, Via Appia Nuova 1411, 00178, Rome, Italy.
Virus research
|March 13, 2025
概括
西尼罗河病毒 (WNV) 和乌苏图病毒 (USUV) 在意大利中部过冬的蚊子中没有被发现,这表明它们不是特有的. 需要进一步的监测,以了解WNV和USUV传输动态.
科学领域:
- * 兽医病毒学 兽医病毒学
- * 医学昆虫学 医学昆虫学
- * 流行病学 流行病学
背景情况:
- * 西尼罗病毒 (WNV) 和乌苏图病毒 (USUV) 共同流通此前在2018年在意大利中部 (拉齐奥) 检测到.
- *证据包括症状马的WNV和献血者和蚊子池中的USUV.
- *这些树木病毒在该地区的特有性仍未得到证实.
研究的目的:
- * 评估意大利中部地区WNV和USUV的特有性.
- * 调查WNV和USUV在不同蚊子种群和动物水库中的存在.
- * 确定WNV和USUV的潜在过冬地点.
主要方法:
- * 分析冬季和活跃季节 (2022-2024) 采集的Culex pipiens蚊子.
- *对蚊子池进行实时RT-PCR测试,以检测WNV和USUV.
- *马血清的血清学测试 (ELISA,病毒中和) 和鸟类组织中的WNV/USUV检测.
主要成果:
- *共计18834个 *Cx. 在623个游泳池中收集和测试了pipiens*雌性.
- *所有集团的蚊子对WNV和USUV的检测结果均为阴性.
- *USUV在12个非传播蚊子池中检测到;WNV在任何蚊子池中没有检测到. 马类WNV血清检测结果不确切,所有鸟类组织均呈阴性.
结论:
- * 蚊子中WNV和USUV的缺失表明,这些病毒在意大利中部研究区域并不流行.
- *在活跃的蚊子群体中检测到USUV循环,突出显示正在进行的传播.
- * 建议进行进一步的监测,以充分了解WNV和USUV的特有性和传播模式.
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