Author affiliations: Toshiba General Hospital, Tokyo, Japan (K. Takahashi, N. Abe, S. Mishiro); Jichi Medical University School of Medicine, Tochigi, Japan (H. Okamoto); Kurashiki Medical Center, Okayama, Japan (M. Kawakami); Matsuda Naika Clinic, Tottori, Japan (H. Matsuda); Saitama Medical University, Saitama, Japan (S. Mochida); Heart-Life Hospital, Okinawa, Japan (H. Sakugawa); Kyoto University Graduate School of Medicine, Kyoto, Japan (Y. Suginoshita); Kagawa Prefectural Central Hospital, Kagawa, Japan (S. Watanabe); Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama (K. Yamamoto); Miyakawa Memorial Research Foundation, Tokyo (Y. Miyakawa)
Figure 1. Map of Japan showing prefectures where human cases of hepatitis E virus have been found. Underlining indicates part of prefecture name included in isolate name; yellow indicates cases in swine; red indicates cases in humans.
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