方法采用描述流行病学方法，对该院2002~2007年病毒性肝炎发病情况进行分析。
Methods The cases of viral hepatitis in Anhui Provincial Hospital from 2002 to 2007 were analyzed by descriptive epidemiological method.
目的分析安徽省立医院近五年病毒性肝炎的流行病学特点。
Aim To analyze the prevalence feature and trend of viral hepatitis.
方法用描述流行病学方法，分析病毒性肝炎三间分布变化趋势。
Methods By descriptive epidemiology method, analyze the distribution of virus hepatitis.
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