Yersinia enterocolitica O:9 Infections in Humans and Animals in Auvergne, France
Author Information
Author(s): Florence Gourdon, Jean Beytout, Alain Reynaud, Jean-Pierre Romaszko, Didier Perre, Philippe Theodore, Helene Soubelet, Jacques Sirot
Primary Institution: University Hospital of Clermont-Ferrand
Hypothesis
Can veterinary surveillance predict the emergence of Yersinia enterocolitica O:9 infections in humans?
Conclusion
The study found that Yersinia enterocolitica O:9 infections increased in humans following an epizootic in cattle, highlighting the importance of veterinary surveillance.
Supporting Evidence
- Yersinia enterocolitica O:9 infections were reported in Auvergne in 1988 to 1989.
- Brucellosis due to Brucella abortus was almost eliminated during the same period.
- The serologic cross-reactions between Yersinia and Brucella complicated the diagnosis.
- In 1996, a peak incidence of 12 human cases of Yersinia enterocolitica O:9 was detected.
- Gastrointestinal symptoms were the most frequent among patients.
- Diagnosis of yersiniosis was confirmed with a specific ELISA test.
Takeaway
This study shows that a disease in animals can lead to more people getting sick, so keeping an eye on animal health is really important.
Methodology
The study involved retrospective analysis of serologic tests and clinical symptoms in patients and animals.
Limitations
The study lacked systematic screening for Yersinia infection in humans.
Participant Demographics
The study included patients with gastrointestinal symptoms and a history of contact with animals.
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