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为了探索我县甲肝发病规律及流行趋势 ,为制订甲肝防制措施提供科学依据 ,现对1 992～ 1 998年我县甲肝疫情资料进行流行病学分析。永吉县 1 998年总人口 76 6 72 0人 ,其中农业人口占 81 84%。在农村普遍存在粪便不经无害化处理就用于农田施肥的现象 ,并有吃生菜喝生水 ,河边
In order to explore the incidence and epidemic trend of hepatitis A in our county, in order to provide a scientific basis for the development of hepatitis A prevention and control measures, epidemiological analysis of hepatitis A in our county from 1998 to 1998 was conducted. Yongji County, with a total population of 76 6 72 0 in 1998, of which agricultural population accounts for 81 84%. Ubiquitous excrement in rural areas without the harmless treatment of fertilizers for the phenomenon of farmland, and eat lettuce drink raw water, the river