🦠microbiology review

Vancomycin-resistant enterococci (VRE)

Written by the Fiveable Content Team • Last updated August 2025
Written by the Fiveable Content Team • Last updated August 2025

Definition

Vancomycin-resistant enterococci (VRE) are strains of the Enterococcus bacteria that have developed resistance to vancomycin, an antibiotic used to treat serious infections. VRE infections are particularly concerning in healthcare settings due to limited treatment options.

5 Must Know Facts For Your Next Test

  1. VRE is primarily transmitted via direct contact with contaminated surfaces or person-to-person contact.
  2. The genes responsible for vancomycin resistance in enterococci are often located on plasmids, which can be transferred between bacteria.
  3. Infections caused by VRE can include urinary tract infections, bacteremia, and endocarditis.
  4. Risk factors for VRE infection include prolonged hospital stays, immunocompromised status, and previous antibiotic use.
  5. Treatment options for VRE infections are limited and may include linezolid or daptomycin.
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