Enterococci are bacteria that commonly live in:

  • Intestines
  • Mouth
  • Female genital tract

In some cases, it can cause an infection. When this happens, the antibiotic vancomycin may be given to cure the infection.

However, some types of the bacteria are resistant to vancomycin. When the bacteria are resistant, the infection is not cured. This is called vancomycin-resistant enterococci (VRE) infection. It is more common in hospitals and long-term care facilities. It can be very dangerous to those who are critically ill.

The Intestines
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VRE is caused by specific bacteria.