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J Vet Sci 2018; 19(2): 309-312  https://doi.org/10.4142/jvs.2018.19.2.309
Detection of hepatitis E virus genotypes 3 and 4 in pig farms in Korea
Yong-Hyun Kim, Byung-Joo Park, Hee-Seop Ahn, Sang-Hoon Han, Hyeon-Jeong Go, Dong-Hwi Kim, Joong-Bok Lee, Seung-Yong Park, Chang-Seon Song, Sang-Won Lee, In-Soo Choi*
Department of Infectious Diseases, College of Veterinary Medicine, Konkuk University, Seoul 05029, Korea
Correspondence to: Tel: +82-2-2049-6055; Fax: +82-2-3436-5880; E-mail: ischoi@konkuk.ac.kr
Received: September 21, 2017; Revised: November 26, 2017; Accepted: December 26, 2017; Published online: March 31, 2018.
Zoonotic transmission of hepatitis E virus (HEV) is mostly mediated by HEV-3 and HEV-4 genotypes, and domestic pigs are an important reservoir of these genotypes. A survey of 14 pig farms in Korea revealed HEV RNA in 30 of 148 (20.3%) fecal samples. HEV-3a and HEV-4c subtypes were identified in five pig farms (35.7%) and two pig farms (14.3%), respectively. Phylogenetic analysis indicated that the isolated HEV strains were closely related to previously reported zoonotic strains in Korea. The results of the genetic analysis partially explain the possible source of the zoonotic transmission of HEV to humans in Korea.
Keywords: feces, hepatitis E virus, swine, zoonosis

© 2018 The Korean Society of Veterinary Science.

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.