By the random sampling method.we have examined the serum of. HDV infec- tion in Taian Jinan Ningyang, Jining,Laiwu and Liaocheng. 235 patients with pepatitis B were examined. we found 30 patients were HDAg positive,four patients were anti-HD positive. The positive rate was 14.14%. we found marked difference between the acute ones and the chronic ones. The infectious rate of HDV was closely associated with chronic hepatitis.
Journal of Taishan Medical College