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Salmonellosis due to a monophasic variant of Salmonella Typhimurium in a cow
  1. Yves Millemann1,2,
  2. Sophie A Granier2,
  3. Henri-Jean Boulouis3,
  4. Renaud Lailler2 and
  5. Guillaume Belbis1
  1. 1Animal Production and Public Health, Alfort National Veterinary School, Paris-Est University, Maisons-Alfort, France
  2. 2Laboratory for Food Safety, ANSES, Paris-Est University, Maisons-Alfort, France
  3. 3Alfort National Veterinary School, Paris-Est University, Maisons-Alfort, France
  1. Correspondence to Professor Yves Millemann, ymillemann{at}


A monophasic Salmonella Typhimurium (mST) variant has emerged in Europe in the last decade. It has mainly been isolated from pigs and humans. However, it seems that it may now also circulate in poultry and cattle. Interestingly, this variant was isolated from healthy subjects regardless of the animal species. Herein, we report the isolation of such a variant from a clinically affected cow that was hospitalised in the Alfort Large Animal Hospital. The 13-year-old cow showed the typical clinical signs suggestive of salmonellosis including fever and diarrhoea that contained frank blood and fibrin clots. An mST was isolated from this cow, but it was not recovered from the samples taken from two other cows displaying similar clinical signs or from the other hospitalised animals.

  • Abdominal
  • Salmonella
  • Bacterial diseases
  • Zoonoses
  • Enteritis
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