Epidemiologic Relatedness between Brucella abortus Isolates from Livestock and Wildlife in South Korea

To investigate the epidemiologic relatedness of Brucella abortus isolates from Chinese water deer (Hydropotes inermis) and goral (Naemorhedus goral raddeanus) in 2010–2011, 22l isolates from livestock (including domestic elk, Cervus canadensis) were analyzed using the multilocus variable-number tandem repeats analysis. In the clustering analysis, Korean B. abortus isolates were divided into 40 genotypes by 18 markers, and 2 B. abortus isolates from wildlife were clustered with those of domestic cattle. Based on the minimum spanning tree, B. abortus isolates from wildlife were closely related to or had originated from livestock. Control measures are necessary to be able to block the transmission of Brucella between domestic and wild animals, and continuous monitoring of wildlife will be necessary to eradicate brucellosis in South Korea.

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