| [an outbreak caused by hepatitis a virus in an institution for the mentally handicapped--detection of hepatitis a virus rna using ctab method]. | the prevalence of hepatitis a virus (hav) antibody in people has decreased from year to year in japan. a sequential outbreak occurred in an institution for the mentally handicapped people in chiba city in the summer of 1995. eight people were infected including 7 residents and one staff member. we tested to detect antigen in fecal samples by elisa and pcr for early diagnosis for hepatitis a infection. four sera and 5 feces were obtained from 5 patients between 2 and 8 days after the onset of sym ... | 1998 | 9780581 |