| the aetiology of acute viral hepatitis in the western region of saudi arabia. | of the 1050 sera of acute viral hepatitis patients admitted to the infectious diseases hospital in jeddah, saudi arabia, over a one-year period, 40.9% were due to hepatitis a, 21.5% to hepatitis b, and 37.6% to non-a, non-b (nanb) hepatitis. the mean age for hepatitis a patients was 4 +/- 2.4 years, with no sex preponderance. the mean ages for hepatitis b and nanb were 26.1 +/- 11.9 and 28.8 +/- 14.2 years, respectively. a male to female ratio of 2:1 was noticed for both. 10% of hbsag patients w ... | 1987 | 3617182 |