Emerging Infectious Diseases (May 2025)

Rapid Transmission and Divergence of Vancomycin-Resistant Enterococcus faecium Sequence Type 80, China

  • Liqiang Li,
  • Xingwei Wang,
  • Yanyu Xiao,
  • Bing Fan,
  • Jiehong Wei,
  • Jie Zhou,
  • Zetian Lai,
  • Yanpeng Zhang,
  • Hongmei Mo,
  • Li Zhang,
  • Dixian Luo,
  • Dayong Gu,
  • Shucai Yang,
  • Yidi Wang,
  • Jiuxin Qu

DOI
https://doi.org/10.3201/eid3105.241649
Journal volume & issue
Vol. 31, no. 5
pp. 1000 – 1005

Abstract

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We investigated genomic evolution of vancomycin-resistant Enterococcus faecium (VREF) during an outbreak in Shenzhen, China. Whole-genome sequencing revealed 2 sequence type 80 VREF subpopulations diverging through insertion sequence–mediated recombination. One subpopulation acquired more antimicrobial resistance and carbohydrate metabolism genes. Persistent VREF transmission underscores the need for genomic surveillance to curb spread.

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