Abstract
Sera from 1, 726 adults in Yachiho, a small village in Nagano, were examined for hepatitis B antigen, antibody and GOT value. Among them 1, 404 were found to have been examined in the study done one year ago.
Fourteen individuals were consistently antigen positive. Seven antigen positive individuals changed to negative and 10 negative to positive.
All antigen positive individuals showed normal SGOT level.
