Case Report: Leptospirosis after a Typhoon Disaster Outside the Endemic Region, Japan

Yukichika Yamamoto Department of General Medicine, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan;

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Hideharu Hagiya Department of General Medicine, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan;

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Ruiko Hayashi Department of Internal Medicine, Kosei General Hospital, Hiroshima, Japan

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Fumio Otsuka Department of General Medicine, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan;

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ABSTRACT.

Leptospirosis is a zoonotic disease that primarily affects people in tropical and subtropical areas worldwide. Owing to the temperate climate of Japan, leptospirosis is not endemic across the country. Domestic cases of leptospirosis have been mainly reported in Okinawa and the southwestern subtropical islands, but not in the other regions. Here, we describe a case of leptospirosis that developed and was diagnosed outside the domestically endemic region. Notably, disease onset occurred shortly after the patient experienced a flood after a typhoon disaster. With global warming, the international prevalence of leptospirosis may change. Physicians outside currently endemic areas must be aware of this tropical disease.

Author Notes

Address correspondence to Hideharu Hagiya, Department of General Medicine, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, 2-5-1 Shikata-cho, Kitaku, Okayama 700-8558, Japan. E-mail: hagiya@okayama-u.ac.jp

Author’s addresses: Yukichika Yamamoto, Hideharu Hagiya, and Fumio Otsuka, Department of General Medicine, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan, E-mails: pk2d6hlo@s.okayama-u.ac.jp, hagiya@okayama-u.ac.jp, and fumiotsu@md.okayama-u.ac.jp. Ruiko Hayashi, Department of Internal Medicine, Kousei General Hospital, Hiroshima, Japan, E-mail: r_u_i_k_o@yahoo.co.jp.

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