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The role of horses in the transmission of leptospirosis in an urban tropical area

  • C. HAMOND (a1), G. MARTINS (a1), R. LAWSON-FERREIRA (a2), M. A. MEDEIROS (a2) and W. LILENBAUM (a1)...

Summary

The objective of this study was to demonstrate the presence of leptospires in equine urine, as evidence for a potential role of horses in transmission of this organism. Thoroughbred horses (aged 2–5 years, n = 276) from Rio de Janeiro, Brazil, were studied. After a severe storm, the premises of the animals remained flooded for 72 h. Blood samples for serology were collected on days 20 and 35 (day of storm = day 0). On day 20, 132 (47·8%) horses were seroreactive (titre ⩾200) and, of these, 23 (31·0%) had increased antibody titres on day 35. Furthermore, 34 urine samples (for PCR and culture) were collected from seroreactive horses on day 35. Copenhageni was the most frequent serovar (88·8% of reactive titres). Although none of the urine samples were culture positive, 12 (35·2%) were PCR positive. This is apparently the first report of evidence of leptospires in urban horses. Furthermore, we suggest that these animals can play a role in the transmission of leptospirosis in urban areas.

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Copyright

Corresponding author

*Author for correspondence: W. Lilenbaum, Ph.D., Rua Hernani Mello 101, Lab 309, Niterói, RJ, 24210-030, Brazil. (Email: mipwalt@vm.uff.br)

References

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1.Robertson, C, et al. Spatial epidemiology of suspected clinical leptospirosis in Sri Lanka. Epidemiology and Infection 2011; 7: 113.
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Keywords

The role of horses in the transmission of leptospirosis in an urban tropical area

  • C. HAMOND (a1), G. MARTINS (a1), R. LAWSON-FERREIRA (a2), M. A. MEDEIROS (a2) and W. LILENBAUM (a1)...

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