在加拉帕戈斯群岛的马匹中未检测到载体传播的病毒
Gina Zanella1, Cécile Beck2, José-Carlos Valle-Casuso3,4
1Epidemiology Unit (EPIMIM), Laboratoire de Santé Animale, ANSES, Ecole Nationale Vétérinaire d'Alfort, Maisons-Alfort, France.
Frontiers in veterinary science
|June 24, 2024
概括
这项研究调查了西尼罗河病毒 (WNV),乌苏图病毒 (USUV) 和马感染性贫血病毒 (EIAV) 在加拉帕戈斯群岛的马匹中存在的情况. 没有发现这些马类载体传播疾病的证据,这表明它们没有在岛上传播.
科学领域:
- 兽医医学 兽医医学 兽医医学
- 流行病学 流行病学
- 岛屿生态 岛屿生态
背景情况:
- 养的马类在19世纪被引入加拉帕戈斯群岛.
- 马类载体传播的疾病在南美普遍存在,但它们在加拉帕戈斯群岛的状况尚不清楚.
- 了解疾病存在对于特有野生动物和引入牲畜健康至关重要.
研究的目的:
- 检测西尼罗河病毒 (WNV),乌苏图病毒 (USUV) 和马感染性贫血病毒 (EIAV) 在加拉帕戈斯群岛的马匹中发生的情况.
- 为了确定这些疾病是否在马群中存在于1%以上的流行率.
- 评估加拉帕戈斯群岛生态系统中这些特定的动物感染和特有马病的风险.
主要方法:
- 在2019年4月至7月期间,从4个加拉帕戈斯群岛的411只马匹收集了血清样本.
- 为了确保广泛覆盖,从124个不同的马业主获得了样本.
- 酶相关免疫吸收检测 (ELISA) 测试用于检测WNV,USUV和EIAV抗体.
主要成果:
- 所有血清样本对西尼罗河病毒 (WNV),乌苏图病毒 (USUV) 和马感染性贫血病毒 (EIAV) 的检测结果均为负.
- 该研究没有发现这些三种重要的马类载体传播疾病在采样的加拉帕戈斯马群中循环的证据.
- 在加拉帕戈斯群岛的马匹中,WNV,USUV和EIAV的流行率被确定为低于1%的值.
结论:
- 西尼罗病毒 (WNV),乌苏图病毒 (USUV) 和马感染性贫血病毒 (EIAV) 目前没有在加拉帕戈斯群岛的马群中传播.
- 这些发现表明,目前研究的马匹中缺乏这些特定的载体传播疾病的暴露或流行性.
- 进一步的监测可能是有必要的,但初步结果表明,这些特殊的病原体对加拉帕戈斯群岛的马匹的风险很低.
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