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Seroprevalence of Hepatitis E Virus Varies Considerably Among Chinese Provinces

AUTHORS

Chen Dong 1 , Xing Dai 1 , Jiuhong Liang 1 , Min Dong 1 , Jihong Meng 2 , *

AUTHORS INFORMATION

1 School of Medicine, Southeast University, Nanjing, China

2 School of Medicine, Southeast University, Nanjing, jihongmeng@163.com, China

ARTICLE INFORMATION

Hepatitis Monthly: 12 (6); 386-390
Article Type: Research Article
Received: May 1, 2012
Accepted: May 21, 2012
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Abstract

Background: Hepatitis E is a common infection in China, but few studies have been carried out to compare regional and ethnic factors in its prevalence.
Objectives: To characterize the seroprevalence of anti-HEV IgM and IgG in the general population of 11 Chinese provinces and in the people from different ethnic minorities.
Materials and Methods: Sera from 14208 people including 723 people from four ethnic minorities were screened for anti-HEV IgM and IgG by enzyme-linked immunosorbent assay (ELISA). For the anti-HEV IgM positive samples, reverse transcription-polymerase chain reaction (RT-PCR) was carried out for the detection of HEV RNA.
Results: The overall prevalence of anti-HEV IgG was 19.7%. The highest rate was 35.7% in Guizhou, while the lowest rate was 5.5% in Shanxi. Significantly higher rates were found among males compared to females in Hebei and Hunan province, and among females compared to males in Chongqing and Shannxi. In Guizhou, the prevalence rates among the Buyi, Miao, Shui and Han ethnic groups were 41.8%, 32.0%, 37.5% and 34.7%, respectively, which were not significantly different. The results also showed that the anti-HEV IgG detection rates increased with age for each ethnic group. Additionally, four samples were tested positive for anti-HEV IgM but HEV RNA was not detectable.
Conclusions: HEV prevalence varies considerably among Chinese provinces. Thus, prevention and control programs including vaccination could be specifically targeted to people living in regions with relatively higher prevalences.


Implication for health policy/practice/research/medical education:
This article presents that anti-HEV seroprevalence rates varies considerably in general population of different provinces in China and it declares that the prevention and control programs should be specifically targeted to people living in regions with relatively higher prevalences.
Please cite this paper as:
Dong C, Dai X, Liang J, Dong M, Meng J. Seroprevalence of Hepatitis E Virus Varies Considerably Among Chinese Provinces. Hepat Mon. 2012;12(6): 386-90. DOI: 10.5812/hepatmon.6194

Copyright © 2012 Kowsar Corp. All rights reserved.


Keywords

Hepatitis E Seroprevalence China

© 0, Author(s). This is an open-access article distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 International License (http://creativecommons.org/licenses/by-nc/4.0/) which permits copy and redistribute the material just in noncommercial usages, provided the original work is properly cited.
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