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J Bacteriol Virol. 2012 Dec;42(4):353-356. English. Case Report.
Yang DK , Kim HH , Hyun BH , Lim SI , Nam YK , Nah JJ , Song JY .
Animal, Plant and Fishery Quarantine Inspection Agency, MIFAFF, Anyang, Korea.
College of Veterinary Medicine, JeonBuk National University, JeonJu, Korea.

Several species of animals, including horses and pigs, can be infected with Japanese encephalitis virus (JEV). Wild boars (Sus scrofa) are also considered to be an effective amplifying host for JEV in wild environments. In this study, 288 blood samples were collected from wild boars in eight Korean provinces, and antibodies against JEV were detected using a virus neutralizing assay. The results showed that 66.0% (190/288) of wild boars in Korea had neutralizing antibodies against JEV. We found no significant differences in the seroprevalence of JEV among provinces (p > 0.05). The results indicate that wild boars in Korea have been exposed to JEV, suggesting that these boars may play an important role in amplifying and carrying JEV to other regions of Korea. The result of this study may be helpful for planning preventive measures.

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