Enterococcus has become one of the most important opportunistic pathogens leading to hospital-acquired infections including endocarditis, bacteremia and urinary tract infection.

• 肠球菌作为一种条件致病菌己成为医院感染的重要病原菌之一，是引起心内膜炎、菌血症和尿路感染的重要致病菌。