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Indian J Med Microbiol. 2007 Jan;25(1):24-7.

Serological evaluation of leptospirosis in Hyderabad Andhra Pradesh: a retrospective hospital-based study.

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1
Department of Animal Sciences, School of Life Sciences, University of Hyderabad, Hyderabad, India.

Abstract

PURPOSE:

Leptospirosis is a zoonotic disease with humans getting the infection either from rodent hosts or from domestic animals. Urine contaminated environment is the common source of infection. This is an under-reported disease in Andhra Pradesh. We report a retrospective hospital-based study on 55 patients with suspected leptospirosis.

METHODS:

A total of 55 serum samples were collected from patients with suspected leptospirosis and subjected to serological testing by LeptoTek Dri-dot, microscopic agglutination test (MAT) and IgM enzyme-linked immunosorbent assay (ELISA). Identification of the predominant infecting serotype was done using a panel of 12 serovars.

RESULTS:

MAT analysis of all the 55 samples identified all cases to be positive. The predominant serogroup was Icterohaemorrhagiae (68%) followed by Australis (22%), Autumnalis (8%) and Javanica (2%). LeptoTek Dri-dot showed a sensitivity of 96% as compared to MAT. IgM ELISA done on 32 samples showed a sensitivity of 86.7% compared to MAT.

CONCLUSIONS:

MAT helped to identify Icterohemorrhagiae as the predominant serovar in this study. Despite the small number of samples analyzed, the data obtained establishes a need for a prospective study in this region.

PMID:
17377348
[Indexed for MEDLINE]
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