Detection of antibodies against Leptospira spp in free-living marsupials caught in the Eastern Amazon.

Introduction: Serological surveys are important to assess the health status of wild animals. In this study, antibodies against Leptospira spp, causal agents of leptospirosis, were detected in free-living marsupials in the State of Pará, Brazil.
Methods: Nineteen blood samples collected from marsupials in the municipalities of Peixe-Boi, Viseu, and Castanhal were subjected to microscopic agglutination tests.
Results: In total, 36.8% (7/19) of samples were positive, and two exhibited co-agglutination. The most frequent serovars were Icterohaemorrhagiae (60%; 3/5), Panama (20%; 1/5), and Nupezo (20%; 1/5).
Conclusions: Anti-Leptospira spp antibodies currently circulate in free-living marsupials in Northeastern Pará.