Serological and molecular detection of pathogenic Leptospira in shelter dogs in Okayama and Yamaguchi Prefectures, Japan.

Authors

Kazuki Kiuno, Nana Ushine, Nobuo Koizumi, Hiroshi Shimoda, Takashi Shimizu, Daisuke Hayasaka

Published in

The Journal of veterinary medical science. Oct 16, 2026. Epub Oct 16, 2026.

Abstract

Leptospirosis is a zoonotic disease that poses public health risks associated with stray and shelter dogs. We examined Leptospira infection in shelter dogs from Okayama and Yamaguchi Prefectures, Japan, using serological and molecular approaches. Anti-Leptospira antibodies were detected by microscopic agglutination test in 48% (10/21) of dogs from Okayama and 49% (24/49) of dogs from Yamaguchi, with serogroup Hebdomadis predominating. Pathogenic Leptospira DNA was detected in urine samples from two of 12 dogs; both were asymptomatic and infected with Leptospira interrogans ST36 belonging to serogroup Hebdomadis. Given that stray dogs are commonly sterilized and rehomed in Japan, these findings highlight potential transmission risks to veterinarians and adoptive households and underscore the need for management strategies to reduce zoonotic transmission.

PMID:
42893873
Bibliographic data and abstract were imported from PubMed on 19 Oct 2026.

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