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密云县１９９７年健康人群甲乙型肝炎病毒感染状况调查北京市密云县卫生防疫站（１０１５００）李立琴王田生郑云霞甲、乙型肝炎是我县主要病毒性肝炎型别。由于人群卫生条件的改善和生活水平的提高，近年来肝炎发病一直处于低水平，１９９５年又开始在学龄前儿童中开展甲...
Miyun County in 1997 a survey of hepatitis B virus infection in healthy population Miyun County Health and Epidemic Prevention Station in Beijing (101500) Li Liqin Wang Tiansheng Zheng Yunxia A, hepatitis B is the main type of viral hepatitis in our county. Due to the improvement of people’s hygienic conditions and the improvement of living standards, the incidence of hepatitis has been at a low level in recent years, and in 1995, it started to carry out A in preschool children.