| prevalence of blood-borne viral hepatitis in different communities in yemen. | it is generally believed that hepatitis b (hbv) and c (hcv) viruses are highly prevalent in the republic of yemen. this study investigated the prevalence of hbv and hcv markers in 494 blood donors from aden, 493 blood donors from sana'a, 97 residents from an african ethnic minority in sana'a and 99 residents of soqotra island. there were significant differences in the prevalence of hbv carriage (hbsag: 6.7, 15, 19.6 and 26.3% respectively; p < 0.001); past hbv infection (anti-hbc: 17.4, 18.5, 30 ... | 2003 | 12948378 |