20 0 1年 4～ 2 0 0 1年 6月 ,我院共收治济南地区甲型病毒性肝炎 (甲肝 ) 15 2例 ,分别为前两年的 7.5倍和 8.5倍 ,突出的特点是年龄大、病程长、病情重等。现将其流行病学和临床特点简要分析如下。流行病学特点 :1流行季节集中在 4～ 6月份。 2本组 2 0岁以下仅 18例 ,占 11. In 2001, from April 2001 to June 2001, a total of 152 cases of hepatitis A (A) in Jinan were admitted to our hospital, which were 7.5 times and 8.5 times that of the previous two years respectively. The outstanding features were age Long course of disease, severe illness and so on. Now its epidemiological and clinical features are briefly analyzed as follows. Epidemiological features: 1 epidemic season concentrated in 4 to 6 months. 2 The group of 20 under the age of only 18 cases, accounting for 11.