Investigation of An Outbreak of Hepatitis A in Su-Chi Village, Ilan County
1994 Vol.10 NO.6
Hepatitis A is transmitted mainly by the fecal-oral route, and occurs primarily in children. The epidemic is highly associated with age, social-economic status and local sanitary conditions(1,2). Taiwan is a hyperedemic area for hepatitis A. The prevalence rate of hepatitis A among school children of junior high school and under in Taipei area had been higher than 90% before 1981. In 1991, the prevalence rate dropped to around 30%, although that of children aged 16 years and below in the mountain areas was still as high as 80-90%(3,4).