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Virologica Sinica, 19 (3) : 285-287, 2004
Brief Reports
Epidemic Investigation of Swine Hepatitis E Virus Infection in Xinjiang Region
1.Key Laboratory of Animal Disease Diagnostic & Immunology, Ministry of Agriculture, Nanjing Agricultural University, Nanjing 210095, China
2.Department of Microbiology and Immunology , Southeast University School of Medicine , Nanjing 210009 , China
The purpose of the present study was to determine the prevalence of swine Hepatitis E virus (HEV) infection in Xinjiang. 813 swine serum samples collected from 1 to 12 months of age at 9 swine farms in Xinjiang region were tested by ELISA for the presence of IgG antibodies against HEV. The recombinant protein pUS166 containing region 452-617aa of the ORF2 of HEV US strain was used as coating antigen. The result showed that anti –HEV IgG were detected in 265 of 405 pigs (65.43%) in one group and 238 of 408 pigs (58.33%) in another group , and that the seropositivity rate was not related to geographic district and breeds, but differed remarkably by age, being 40% among the 1- to 3-month-old piglets, but 77.33% among ones over 3-month-old. It suggested that swine HEV was widespread in different geographic regions of XinJiang.
  Published online: 20 Jun 2004
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