[A case of Akiyami C disease, infected in the area of Yoshino].

A 47-year-old male was admitted because of persistent jaundice. Akiyami C disease was diagnosed by serological tests using the microscopic agglutination tests. The source was considered to be a water contaminated with leptospiras which he had drunk while working at a civil engineering job. The reported cases of Akiyami C disease have recently decreased and this is the 6th case reported in the last 15 years.