Trend of human brucellosis over a decade at tertiary care centre in North Karnataka.
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Date
2016-10
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Abstract
Background: Brucellosis is an important zoonotic disease. India having a major agrarian population is expected
to have a higher prevalence. However, due to lack of laboratory facility or awareness among clinicians, the disease
is largely underreported. The aim of this study was to know the prevalence and trend of human brucellosis over a
decade, in patients attending a teaching hospital in North Karnataka, and to understand their geographical distribution.
Materials and Methods: The study was conducted from January 2006 to December 2015 at a tertiary care teaching
hospital in North Karnataka. A total of 3610 serum samples were evaluated from suspected cases of brucellosis. All
serum samples were initially screened by Rose Bengal plate test, and positive samples were further analysed by Serum
agglutination test (SAT) using standard Brucella abortus antigen from Indian Veterinary Research Institute, Izatnagar,
Uttar Pradesh, India. A titre above or equal to 1:80 IU/ml was considered as positive. Demographic data such as age,
sex and native place of these patients were also analysed. Results: We observed that human brucellosis is present in
North Karnataka. The overall seropositivity of brucellosis in suspected cases was 5.1%. The positive titres ranged from
1:80 to 163,840 IU/ml. The majority of the patients were from Gadag, Koppal and Haveri districts of North Karnataka.
Conclusion: Our study confirms the presence of human brucellosis in the northern part of Karnataka. Further studies to
understand the prevalence of animal brucellosis in these areas will help in implementing prevention measures.
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Keywords
Brucella, epididymo‑orchitis, Karnataka, neurobrucellosis
Citation
Patil D P, Ajantha G S, Shubhada C, Jain P A, Kalabhavi A, Shetty P C, Hosamani M, Appannanavar S, Kulkarni R D. Trend of human brucellosis over a decade at tertiary care centre in North Karnataka. Indian Journal of Medical Microbiology. 2016 Oct-Dec; 34(4): 427-432.