To our knowledge, only a few epidemiological reports on the prevalence of hepatitis E antibodies in Saudi blood donors have been published. Men of several nationalities, donating blood at King Khalid National Guard Hospital (Jeddah, Saudi Arabia) were selected (n = 593) for this study examining the seroprevalence of hepatitis E virus (HEV) in the local male donor population and testing the relationship of the antibody to HEV (anti-HEV) to donor characteristics using Odds Ratio (OR) and Chi-square statistic. The prevalence of anti-HEV in the group examined was 16.9 per cent (100/593). The seroprevalence for Saudi donors was 14.8 per cent compared with 33.3 per cent for non-Saudis of Middle Eastern origin. Donors who were 40 yr and over had significantly higher seroprevalence than those donors who were 30 yr or younger (OR = 2.5, p = 0.006). There was a significant association between anti-HEV and anti-HCV with donors who were positive to anti-HCV having about 5 times the risk of HEV than those who were anti-HCV negative (p = 0.02). These findings demonstrate the high seroprevalence rate of anti-HEV among male blood donors in Saudi Arabia.
We studied the prevalence of hepatitis C virus (HCV) antibody seropositivity using ELISA (Ortho Diagnostic system, 3rd generation test) polymerase chain reaction testing of HCV-RNA (PCR, Promega) and serum alanine transferase (ALT) level in 100 healthy, HIV-negative, pregnant women who delivered spontaneously at the Alexandria University Hospital, and their newborns. Some risk factors were studied using Fisher's exact test. Nineteen per cent of pregnant women were HCV seropositive and 14 of them (14/19) had circulating HCV-RNA, detected by PCR. Nine of the babies born to the 19 HCV seropositive females had circulating antibodies, whereas HCV-RNA was detected in five of them. This gives a vertical transmission risk of 5/14 (36 per cent) for mothers carrying the HCV-RNA and 5/19 (26 per cent) for those having circulating HCV antibodies. History of previous blood transfusion, elevated serum ALT level, and history of infection with schistosomiasis were significant risk factors for HCV infection in mothers. In addition to the previous factors, maternal history of jaundice, stillbirth and hepatomegaly were significant risk factors for neonatal infection. The occurrence of early jaundice and the presence of congenital anomalies in the newborns were non-significant risk factors. In conclusion, our data indicate a high prevalence of HCV seropositivity in Egyptian HIV-negative pregnant women with a significant high rate of vertical transmission of HCV.
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