| [frequency and clinical relevance of delta virus infection in hbsag carriers in the berlin area]. | the frequency of delta virus infection, immunoserological parameters and degree of liver inflammation were studied in 190 hbsag carriers in the berlin area from 1976 to 1986. delta infection was detected in one of 50 hbsag carriers (2%) in the period from 1976 to 1980. in contrast 19 of 140 hbsag carriers (14%) with delta infection were found in the period from 1981 to 1986. this group included 12 germans, 5 turks and 2 italians. only 6 of these subjects belonged to a so-called risk group: 3 dru ... | 1988 | 3264646 |