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and secY gene sequencing and determined the recA gene sequences. MB coordinated the work of VS and the isolation of CCRI streptococcal strains. MF participated in the design and coordination of the study and helped draft the manuscript. All the authors have read and approved the final manuscript.”
“Background Brucellosis is an important disease that is causing economic losses in the cattle industry as well as health problems in humans. Bovine brucellosis in Korea was first detected from cattle in 1955 [1]. Since then, the disease had been occurred sporadically until 1983, and the most outbreaks had been reported in dairy cattle. In spite of the eradication program, the prevalence was continuously increased [2].