Hepatitis E Virus Genotype 4 Sequences Detected in Sewage from Treatment Plants of China |
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| Authors: | Heng Li Wei Li Ruiping She Liang Yu Qiaoxing Wu Jingling Yang Fengjiao Hu Majid Hussain Soomro Ruihan Shi Wenzhuo Hao Yue Zhao Jingjing Mao |
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| Affiliation: | 1.Laboratory of Veterinary Pathology and Public Health, College of Veterinary Medicine,China Agricultural University,Beijing,China;2.Shenzhen Urban Wastes Disposal & Recycling Center,Shenzhen,China;3.Laboratory of Animal Pathology & Public Health, Key Laboratory of Zoonosis of the Ministry of Agriculture College of Veterinary Medicine,China Agricultural University,Beijing,China |
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| Abstract: | The aim of this study was to investigate the occurrence of hepatitis E virus (HEV) in sewage samples in Shen Zhen, China. Sewage samples were collected from 152 sewage plants including livestock sewage, domestic sewage and treated sewage from May to July of 2015. Two of 152 samples were HEV positive (1.32%) from the livestock sewage plants. Partial ORF2 fragments of HEV were sequenced and a phylogenetic tree was constructed using MEGA5.1. Blast and phylogenetic analyses showed that both of these two sequences belonged to HEV Genotype 4. To the best of our knowledge, this is the first study on the molecular characterization of HEV in wastewater in China and the first time to detect Genotype 4 in the sewage. Results from this study indicate that the possibilities of sporadic infections of HEV should be emphasized because virus still has the possibility to be circulating in the sewage in China. |
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