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Short Communication • Rev. Soc. Bras. Med. Trop. 56 • 2023 • https://doi.org/10.1590/0037-8682-0160-2023   copy

Molecular detection of Leptospira spp. in small wild rodents from rural areas of São Paulo State, Brazil

Authorship SCIMAGO INSTITUTIONS RANKINGS

ABSTRACT

Background:

Leptospirosis represents a One Health issue, affecting humans and animals. This study investigated pathogenic leptospires in small wild rodents in São Paulo, Brazil.

Methods:

Kidney samples from 164 rodents underwent qPCR testing, targeting pathogenic Leptospira spp.

Results:

Thirty-five animals (21.34%) tested positive, including five rodent species: Akodon montensis (2/21; 9.5%), Necromys lasiurus (1/4; 25%), Oligoryzomys nigripes (24/92; 26.1%), Oligoryzomys flavescens (5/26; 19.2%), and Sooretamys angouya (3/14; 21.4%). Botucatu municipality exhibited the highest prevalence, with 42.5% (20/47) of the animals testing positive.

Conclusions:

The presence of Leptospira spp. in wild rodents suggests they may be chronic carriers, contaminating the environment.

Keywords:
leptospirosis; qPCR; Wildlife; Renal carrier

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