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29年中封丘县肝病发病率波动较大,最高年份为62.6/10万<1951>,最低年份为0.6/10万<1968>。从七十年代开始,发病率曲线显示每3—5年有一个流行波峰。八十年代前期全县发病处于稳定的低水平状态<平均发病率为6.78/10万>,一九八六年始发发病率现大幅度回升<1988—1988年平均发病率41.65/10万>。从资料分析看,一年四季均有病例发生。1、3、10、11、12月份为发病季度高峰。在地区分布上较广泛,各乡均有不同程度的散发和流行。高发乡、村与离城区远近、交通频繁、饮食摊点多寡有关系。据1982—1988年疫情资料各年龄组都有发病,0—9岁组发病者最多(占总发病数的50.71%),20—39岁组次之(占28.07%).男性发病高于女性。职业分布为散儿>农民>学生>工人>教师>其他。从上述人群分布可见,婴幼儿、小学低年级学生及青壮年农民为防治工作的重点对象。
The incidence of liver disease in Fengqiu County fluctuated significantly in 29 years, with the highest year being 62.6 / 100000 <1951> and the lowest year being 0.6 / 100000 <1968>. From the seventies onwards, the incidence curve shows a popping peak every 3-5 years. In the early 1980s, the county’s incidence was at a stable low level (the average incidence rate was 6.78 / 100,000), and the incidence of the disease started to pick up sharply in 1986. The average incidence was 41.65 / 100,000 in 1988-1988. . From the data analysis, there are cases all year round. 1, 3, 10, 11, December peak season for the incidence. In the region is more widely distributed, rural areas have different levels of distribution and popularity. High-fat Township, village and away from the urban areas, frequent traffic, the number of food stalls have a relationship. According to the epidemiological data of 1982-1988, there were all kinds of incidence in all age groups, with the highest incidence in the 0-9 age group (50.71% of the total incidence) and the incidence in the 20-39 age group (28.07%). . Occupation distribution for scattered children> farmers> students> workers> teachers> other. As can be seen from the above population distribution, infants and young children, lower primary school students and young peasants are the key targets of prevention and control work.