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Serological and molecular epidemiology of Japanese encephalitis virus infections in swine herds in China, 2006–2012
Chunxia Chai1,†, Qiao Wang1,†, Sanjie Cao1, Qin Zhao1, Yiping Wen1, Xiaobo Huang1, Xintian Wen1, Qiguai Yan1, Xiaoping Ma1, Rui Wu1,2,*
1College of Veterinary Medicine, Sichuan Agricultural University, Chengdu 611130, Sichuan, China
2Research Center of Swine Diseases, Sichuan Agricultural University, Chengdu 611130, Sichuan, China
Correspondence to: E-mail: wurui1977@126.com
The first two authors contributed equally to this study.
Received: November 29, 2016; Revised: March 12, 2017; Accepted: June 29, 2017; Published online: July 10, 2017.
Abstract
Japanese encephalitis virus (JEV) is a mosquito-borne, zoonotic flavivirus causing viral encephalitis in humans and reproductive disorder in pig. JEV is widely prevalent throughout China in human, however, studies on JEV spatiotemporal analysis in Chinese swine herds have not been explored. Here, we present our serological and molecular epidemiological findings of the prevalence of JEV infections among swine herds in China, which suggest that JEV infections are extensively widespread and genotype I and III strains co-exist. Therefore, there is an urgent need to monitor the infection status of JEV among swine herds in China.
Keywords: China, Japanese encephalitis virus, molecular epidemiology, serological detection, swine,


© 2017 The Korean Society of Veterinary Science.