Brucellosis in Northern Australia

Katie M. Eales Pathology Queensland, Townsville Hospital, Townsville, Queensland, Australia; School of Veterinary and Biomedical Sciences, James Cook University, Townsville, Queensland, Australia

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Robert E. Norton Pathology Queensland, Townsville Hospital, Townsville, Queensland, Australia; School of Veterinary and Biomedical Sciences, James Cook University, Townsville, Queensland, Australia

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Natkunam Ketheesan Pathology Queensland, Townsville Hospital, Townsville, Queensland, Australia; School of Veterinary and Biomedical Sciences, James Cook University, Townsville, Queensland, Australia

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The aim of this study was to define the clinical presentation of brucellosis in northern Australia and to assess the long-term impact of brucellosis on individual lives. A retrospective review was conducted to assess 32 patients with brucellosis caused by Brucella suis in Townsville, Australia during 1996–2009. All patients were Caucasian males with a mean age of 35 years. The greatest risk factor for brucellosis was feral pig hunting (94%, n = 30). There was one laboratory-acquired case. The most frequent clinical features included fever (94%, n = 30), fatigue (78%, n = 25) and arthralgia (78%, n = 25). The complication rate was 25% (n = 8). A delay in diagnosis of more than 14 days significantly increased the risk of the patient developing complications (95% confidence interval = 3.20–198.96, P = 0.002). The long-term impact of brucellosis was significant; 64% (16) of the patients reporting recurrent symptoms. This study highlights the need for further research on brucellosis caused by B. suis.

Author Notes

*Address correspondence to Robert E. Norton, Pathology Queensland, Townsville Hospital, 100 Angus Smith Drive, Townsville, Queensland 4811, Australia. E-mail: robert_norton@health.qld.gov.au

Authors' addresses: Katie M. Eales and Natkunam Ketheesan, School of Medicine and Dentistry, James Cook University, Townsville, Queensland, Australia, E-mails: katie_eales@health.qld.gov.au and n.ketheesan@jcu.edu.au. Robert E. Norton, Pathology Queensland, Townsville Hospital, Townsville, Queensland, Australia, E-mail: robert_norton@health.qld.gov.au.

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