Epidemiology and Infection

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Epidemiology and Infection (2010), 138:280-285 Cambridge University Press
Copyright © Cambridge University Press 2009
doi:10.1017/S0950268809990525

Original Papers

Zoonoses

Human Brucella canis outbreak linked to infection in dogs


N. E. LUCEROa1 c1, R. CORAZZAa2, M. N. ALMUZARAa2, E. REYNESa3, G. I. ESCOBARa1, E. BOERIa4 and S. M. AYALAa2

a1 Brucellosis Service, National Laboratories and Institutes of Health Administration (ANLIS), Buenos Aires, Argentina
a2 Bacteriology and Paediatric Infectology Unit, Hospital Eva Perón, San Martín, Buenos Aires, Argentina
a3 Antropozoonosis Centre, Veterinary and Preventive Medicine Division, San Martín, Buenos Aires, Argentina
a4 Zoonosis Institute Dr. Luis Pasteur, Buenos Aires, Argentina
Article author query
lucero ne [PubMed]  [Google Scholar]
corazza r [PubMed]  [Google Scholar]
almuzara mn [PubMed]  [Google Scholar]
reynes e [PubMed]  [Google Scholar]
escobar gi [PubMed]  [Google Scholar]
boeri e [PubMed]  [Google Scholar]
ayala sm [PubMed]  [Google Scholar]

SUMMARY

The zoonotic risk of Brucella canis has been considered fairly high for persons who handle breeding dogs in kennels or are exposed to infected animals. Transmission to humans in other circumstances has been thought to be rare. We describe an uncommon outbreak of brucellosis caused by B. canis which, to the best of our knowledge, is the first reported in the literature. This outbreak involved six persons (three children and three adults), a bitch and three puppies which had close daily contact with the family. The clinical symptoms of the index case led to an erroneous diagnosis and the infection would have gone undiagnosed if culture had not been positive. This report aims to increase awareness of medical personnel of the need to order screening tests for children, immunodeficient persons or pregnant women presenting with fever of unknown origin, unexplained spleen or liver enlargement or other systemic signs. The emerging zoonotic potential of this disease in urban areas and the need to coordinate canine brucellosis surveillance systems should be evaluated.

(Accepted July 08 2009)

(Online publication August 05 2009)

Key Words:B. canis infection; brucellosis outbreak

Correspondence:

c1 Author for correspondence: Dr N. E. Lucero, Brucellosis Service, National Laboratories and Institutes of Health Administration (ANLIS) ‘Dr. C. G. Malbrán’, Avda. Velez Sarsfield 563, 1281 Buenos Aires, Argentina. (Email: nidia@elsitio.net)


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