“…It can cause life-threatening infections, such as bacteremia, endocarditis, sepsis, meningitis, surgical wound infections, and intra-abdominal infections [4,5]. Up to now, a large number of genes resistant to ampicillin, gentamicin, cephalothin, ofloxacin, teicoplanin, tetracycline, vancomycin, linezolid, daptomycin, etc., have been found among the E. faecalis strains [6][7][8][9]. Antibiotic resistance has made E. faecalis more dangerous.…”