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Seroprevalence of porcine proliferative enteropathy before initiating vaccine marketing in Korea
Yeh, Jung-Yong The Korean Society of Veterinary Science 2015 大韓獸醫學會誌 Vol.55 No.1
Proliferative enteropathy caused by Lawsonia intracellularis is one of the most common enteric diseases in pigs. The objective of this study was to determine the prevalence of serum antibodies against L. intracellularis in the general swine population of Korea from 2005 to 2008. In total, 8,008 swine serum samples obtained from 1,001 herds were tested. The samples were analyzed with an immunoperoxidase monolayer assay to detect anti-L. intracellularis antibodies. The overall 4-year average true prevalence was 40.0% (CI: 39.4 - 40.6%) at the individual animal level and 71.9% (CI: 70.3-73.4%) at the herd level.
Surveillance for West Nile Virus in Dead Wild Birds, South Korea, 2005–2008
Yeh, Jung-Yong,Kim, Hyun-Ju,Nah, Jin-Ju,Lee, Hang,Kim, Young-Jun,Moon, Jin-San,Cho, In-Soo,Choi, In-Soo,Song, Chang-Seon,Lee, Joong-Bok Centers for Disease Control and Prevention 2011 Emerging infectious diseases Vol.17 No.2
<P>To investigate the possibility of West Nile virus (WNV) introduction into South Korea, the National Veterinary Research and Quarantine Service has conducted nationwide surveillance of WNV activity in dead wild birds since 2005. Surveillance conducted during 2005–2008 found no evidence of WNV activity.</P>