阿根廷西北部汉坦病毒肺综合征:胡胡伊省啮齿类动物血清患病率和legatus Euryoryzomys首次血清阳性记录。

IF 2.1 3区 医学 Q2 PARASITOLOGY
F. Cassinelli , W. López , R. Coelho , J.J. Martínez , S. Kehl , C.M. Bellomo , V.P. Martínez , I. Ferro
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引用次数: 0

摘要

汉坦病毒肺综合征(HPS)是一种由啮齿动物传播的原汉坦病毒属病毒引起的具有高死亡率的泛美新发传染病。在阿根廷,几乎一半的HPS感染发生在西北部流行区。在本研究中,我们评估了亚热带原生林、次生林和农田中野生啮齿动物的组成、丰度和抗体流行率。从2022年2月到2023年6月,我们每两个月安置三个晚上,共安置了200个陷阱,达到5400个陷阱之夜。我们采集了所有捕获的啮齿动物的血液样本,记录了形态学指标,然后进行了标记和释放。共捕获5种啮齿动物103只,分别为:长尾小齿、长尾小齿、肌肉小齿、仿齿齿和长尾小齿。总抗体阳性率为10.18%;在捕获的啮齿动物群落中,fecundus和A. simulator是最常见的抗体种类,也是优势种。到目前为止,次生林是最多产的场所,占所有捕获量的83.5%,其次是农田(10.68%)和原生林(5.82%)。我们发现粪芽梭菌的抗体患病率与体重(体重)和体型(全长)呈正相关。我们工作的另一个重要结果是我们报告了在legatus中存在汉坦病毒抗体,这是该物种的第一次记录。这些结果突出了持续监测啮齿动物种群的重要性,并为现场工作人员规划和实施公共卫生预防运动提供了框架。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Hantavirus Pulmonary Syndrome in Northwestern Argentina: Seroprevalence in rodents of Jujuy province and first seropositive record for Euryoryzomys legatus
Hantavirus Pulmonary Syndrome (HPS) is a Pan-American emerging infectious disease with a high mortality rate caused by rodent-borne viruses of the genus Orthohantavirus. In Argentina, almost half of the HPS infections occur in the northwestern endemic region. In this study, we evaluated rodent composition, abundance, and antibody prevalence in wild rodents in three subtropical sites: primary forest, secondary forest, and crop fields. From February 2022 to June 2023, we settled a total of 150 traps for three nights every two months reaching a capture-effort of 5,400 trap-nights. We took blood samples from all captured rodents, registered morphological measures, then marked and released. We captured 103 rodents of 5 species (Oligoryzomys chacoensis, Calomys fecundus, Calomys musculinus, Akodon simulator, and Euryoryzomys legatus). The overall antibody prevalence was 10.18 %; with C. fecundus and A. simulator being the species most frequently found to present antibodies, and they were also the dominant species in the captured rodent community. The secondary forest was, by far, the most productive site with 83.5 % of all captures, followed by crop fields (10.68 %) and primary forest (5.82 %). We found that antibody prevalence for C. fecundus was positively correlated to body mass (weight) and size (total length). Another important result of our work is that we report presence of hantavirus antibodies in E. legatus, which represents the first record for this species. These results highlight the importance of continuous monitoring of rodents populations and provide a framework for the planning and implementation of public health prevention campaigns of field workers.
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来源期刊
Acta tropica
Acta tropica 医学-寄生虫学
CiteScore
5.40
自引率
11.10%
发文量
383
审稿时长
37 days
期刊介绍: Acta Tropica, is an international journal on infectious diseases that covers public health sciences and biomedical research with particular emphasis on topics relevant to human and animal health in the tropics and the subtropics.
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