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Brucella suis biovar 2 infection in humans in France: emerging infection or better recognition?

  • A. MAILLES (a1), M. OGIELSKA (a2), F. KEMICHE (a3), B. GARIN-BASTUJI (a4), N. BRIEU (a5), Z. BURNUSUS (a6), A. CREUWELS (a6), M. P. DANJEAN (a7), P. GUIET (a6), V. NASSER (a5), B. TOURRAND (a8), F. VALOUR (a9), M. MAURIN (a10), D. O'CALLAGHAN (a11), V. MICK (a4), V. VAILLANT (a1), M. JAY (a4), J. P. LAVIGNE (a11) (a12) and H. DE VALK (a1)...

Summary

Brucellosis is usually acquired by humans through contact with infected animals or the consumption of raw milk from infected ruminants. Brucella suis biovar 2 (BSB2) is mainly encountered in hares and wild boars (Sus scrofa), and is known to have very low pathogenicity to humans with only two case reports published in the literature. Human cases of brucellosis caused by BSB2 were identified through the national mandatory notification of brucellosis. The identification of the bacterium species and biovar were confirmed by the national reference laboratory. Epidemiological data were obtained during medical follow-up visits. Seven human cases were identified between 2004 and 2016, all confirmed by the isolation of BSB2 in clinical specimens. All patients had direct contact with wild boars while hunting or preparing wild boar meat for consumption. Five patients had chronic medical conditions possibly responsible for an increased risk of infection. Our findings suggest that BSB2 might be an emerging pathogen in hunters with massive exposure through the dressing of wild boar carcasses. Hunters, especially those with chronic medical conditions, should be informed about the risk of BSB2 infection and should receive information on protective measures.

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Copyright

Corresponding author

*Author for correspondence: A. Mailles, Santé publique France, 12 rue du Val d'Osne, 94415 Saint Maurice cedex, France. (Email: Alexandra.mailles@santepubliquefrance.fr)

References

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Keywords

Brucella suis biovar 2 infection in humans in France: emerging infection or better recognition?

  • A. MAILLES (a1), M. OGIELSKA (a2), F. KEMICHE (a3), B. GARIN-BASTUJI (a4), N. BRIEU (a5), Z. BURNUSUS (a6), A. CREUWELS (a6), M. P. DANJEAN (a7), P. GUIET (a6), V. NASSER (a5), B. TOURRAND (a8), F. VALOUR (a9), M. MAURIN (a10), D. O'CALLAGHAN (a11), V. MICK (a4), V. VAILLANT (a1), M. JAY (a4), J. P. LAVIGNE (a11) (a12) and H. DE VALK (a1)...

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