“…bovis, a nonenterococcal lancefield group D streptococcus, is a transient colonic commensal with fecal carriage rate of 5 -13 % in healthy adults (Potter et al, 1998;Dubrow et al, 1991), and accounts for 11-12% of infective endocarditis (Ballet et al, 1995;Kupferwasser et al, 1998). Traditionally, S. bovis has been classified into three distinct biotypes; I, II/1, and II/2, www.intechopen.com based on phenotypical and genetic characteristics (Coykendall & Gustafson, 1985).…”