在巴西亚马逊地区的马匹中出现Leishmania infantum
Arlei Marcili1, Isadora Karolina Freitas de Sousa2, Rejane Dos Santos Sousa3
1Programa de pós-graduação em Saúde Única, Universidade Santo Amaro (UNISA), São Paulo, Brazil.
由Leishmania infantum引起的内脏莱什曼病,在巴西马纳乌斯采样的82%的马匹中发现. 这种高患病率表明,马可能会作为疾病出现的哨兵.
科学领域:
- 兽医寄生虫学 兽医寄生虫学
- 动物传播疾病 动物传播疾病
- 分子诊断学 分子诊断学
背景情况:
- 内脏莱什曼病 (VL) 是巴西的一种重大动物性疾病,主要由婴儿莱什曼病传播.
- 狗被认为是主要的水库,但其他家禽的作用仍在调查中.
- 亚马逊主要城市马纳乌斯历史上只报告皮肤雷什曼病,缺乏关于VL水库的数据.
研究的目的:
- 调查巴西亚马逊州马纳乌斯地区马匹中莱什曼尼亚婴儿感染的发生和流行情况.
- 评估马匹在VL的城市传播周期中作为水库或哨兵的潜在作用.
- 为了建立一个基线,为未来的流行病监测的莱什曼病在这个地区.
主要方法:
- 采用了一种针对L型甲素基因的分子诊断方法.
- 在马纳乌斯的16个不同的物业中,从178匹马身上采集了样本.
- 进行了统计分析,以确定感染的流行率和分布.
主要成果:
- 在样本中的马中检测到Leishmania infantum的高感染率为82%.
- 感染很普遍,在16个属性中,只有一个属性没有阳性动物.
- 这些发现表明,在马纳乌斯的马群中,L. infantum的存在很大.
结论:
- 这项研究强调了巴西马纳乌斯马匹中莱什马尼亚婴儿菌的大量流行.
- 马可以作为内脏莱什曼病的潜在哨兵,表明疾病传播的早期阶段.
- 监测马群可以为该地区潜在的人类莱什曼病爆发提供早期预警系统.
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