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辽宁省病毒性肝炎的发病率１９８９年至１９９６年呈下降趋势。甲肝发病以沿海城市为主，农村高于城市，年龄以５～２４岁青少年为主，其中５岁～、１０岁～两组发病数（７７０２４例）占总数的（２１６８２７例）３５．５２％，男多于女，有明显的秋冬季高峰。乙肝１９９０年至１９９６年平均每年下降１．７８％／１０万，１９９３年与１９９２年比下降４．４９／１０万，城市高于农村，年龄以２０～４４岁青壮年为主，男多于女，无季节性高峰。非甲非乙型肝炎升中有降，年龄以６０～６９岁居多，男多于女，无明显季节性高峰。未分型肝炎以青壮年为主，男多于女，城市高于农村，有秋冬季高峰。
The incidence of viral hepatitis in Liaoning province showed a downward trend from 1989 to 1996. The incidence of hepatitis A was mainly in coastal cities. The rural areas were higher than the urban areas, with the majority of adolescents aged 5-24 years, of which the number of onset (77,024 cases) aged 5 to 10 years old accounted for 35.52% (216,827 cases) , More men than women, there is a clear autumn and winter peak. Hepatitis B decreased by 1.78% / 100000 annually from 1990 to 1996, with a decrease of 4.49 / 100000 in 1993 and 1992. The urban area is higher than that in rural areas, with the age of 20-44 years old and young people more than men Female, no seasonal peak. Non-A non-Hepatitis B raises, down to the age of 60 to 69 years old, more men than women, no significant seasonal peak. Undifferentiated hepatitis is mainly young and middle-aged, more men than women, the city is higher than the rural areas, with autumn and winter peaks.