Which Brucella species is most virulent in humans?

Updated: Apr 22, 2021
  • Author: Nicholas John Bennett, MBBCh, PhD, FAAP, MA(Cantab); Chief Editor: Michael Stuart Bronze, MD  more...
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Of the 4 Brucella species known to cause disease in humans (B abortus, B melitensis, B canis, B suis), B melitensis is thought to be the most virulent and causes the most severe and acute cases of brucellosis; it is also the most prevalent worldwide. B melitensis may be acquired via exposure to animals or animal products or, in the case of laboratory technicians, to specimens from animals (including humans) whose tissues are operated upon or submitted for culture or pathologic analysis. [7]

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