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What is 45 yrs old Ramlal has intraabdominal sepsis. The causative organism was found to be vancomycin, gentamycin and ampicillin resistant. It grows well in presence of 6.5% NaCI and arginine. Bile esculin hydrolysis is positive. Which of the following is this organism? - and explain in detail?
Ans. is 'b' i.e., Enterococcus fecalis Enterococcus ? It belongs to lancefields's group 'FY streptococci Note - Enterococci grow in the presence of bile and hydrolyze esculine ----> bile esculin positive.