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Incidence and Molecular Characterization of Hepatitis E Virus from Swine in Eastern Cape South Africa

机译:南非东开普省猪戊型肝炎病毒的发病率和分子特征

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摘要

Hepatitis E virus-mediated infection is a serious public health concern in economically developing nations of the world. Globally, four major genotypes of HEV have been documented. Hepatitis E has been suggested to be zoonotic owing to the increase of evidence through various studies. Thus far, this paper reports on prevalence of hepatitis E virus among swine herd in selected communal and commercial farms in the Eastern Cape Province of South Africa. A total of 160 faecal samples were collected from swine herds in Amathole and Chris Hani District Municipalities of Eastern Cape Province for the presence of HEV. Of the 160 faecal samples screened, only seven were positive (4.4%) for HEV. The nucleotide sequences analyses revealed the isolates as sharing 82% to 99% identities with other strains (, , , , , , and ) from different regions of the world. We conclude that HEV is present among swine in the Eastern Cape Province, albeit in low incidence, and this does have public health implications. There is a need for maintenance of high hygienic standards in order to prevent human infections through swine faecal materials and appropriate cooking of pork is highly advised.
机译:戊型肝炎病毒介导的感染是世界上经济发展中国家中严重的公共卫生问题。在全球范围内,已记录了HEV的四种主要基因型。由于各种研究的证据增加,已建议戊型肝炎是人畜共患病。迄今为止,本文报道了南非东开普省部分公共和商业农场猪群中戊型肝炎病毒的流行情况。在东开普省的Amathole和Chris Hani地区的市镇,从猪群中收集了共160份粪便样本,以发现HEV。在筛查的160份粪便样本中,只有7份是戊型肝炎病毒阳性(4.4%)。核苷酸序列分析显示,这些分离株与来自世界不同地区的其他菌株(“,,,,,和)具有82%至99%的同一性。我们得出的结论是,东开普省猪中存在戊型肝炎病毒,尽管其发病率较低,但这确实对公共卫生有影响。为了防止人类通过猪粪便感染,有必要保持高卫生标准,强烈建议对猪肉进行适当的烹饪。

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