| acute viral hepatitis: an aetiological study of 253 patients. | two hundred and fifty-three cases of acute viral hepatitis admitted to ibn al-khateeb infectious disease hospital, baghdad, were studied prospectively regarding the viral aetiological agent. the most common cause was infection with one of the non-a, non-b viruses (51%). the second most common cause was infection with the hepatitis b virus (32%); two of these patients had hepatitis delta-co-infection. hepatitis a virus was responsible for 15% of the cases, and hepatitis delta-virus superinfection ... | 1989 | 2518790 |