Which enterococcal species are most prevalent in humans?

Updated: Jun 10, 2021
  • Author: Susan L Fraser, MD; Chief Editor: John L Brusch, MD, FACP  more...
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Answer

Enterococcus faecalis and Enterococcus faecium are the most prevalent species cultured from humans, accounting for more than 90% of clinical isolates. Other enterococcal species known to cause human infection include Enterococcus avium, Enterococcus gallinarum, Enterococcus casseliflavus, Enterococcus durans, Enterococcus raffinosus, and Enterococcus mundtii. [1]  Enterococcus faecalis is more virulent or pathogenic, but E faecium is responsible for most of the vancomycin-resistant enterococci (VRE) infections. [2]


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