| [hepatitis e virus infection in japan]. | hepatitis e virus (hev) is the major etiologic agent of enterically transmitted viral hepatitis in many developing countries. epidemics are primarily waterborne in areas where water supplies are contaminated with hev of human origin. there is increasing evidence, however, that hev is also prevalent in very low numbers in non-endemic countries, including japan. although the source of hev in these sporadic cases is unknown, a recently isolated swine virus is the best candidate for causing a zoonot ... | 2006 | 16722461 |