| frequency and significance of antibodies against hepatitis b core (anti-hbc) antigen as the only serological marker for hepatitis b infection in lebanese blood donors. | during a 2-year period, blood samples from 2505 lebanese blood donors were chosen at random, at various periods of time at one blood donation centre (hotel dieu de france, beirut, lebanon) and were screened for markers of hbv infection (hbsag, anti-hbc and anti-hbs). the study showed hbsag positivity of 0.6% and an overall exposure rate to hbv of 10.0%. out of the 2505 blood donors screened, 56 (22%) were found to be 'anti-hbc alone' positive which is almost four times the hbsag positivity. the ... | 2005 | 16050516 |