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为了系统地掌握血吸虫病流行动态和趋势，为制定血吸虫病防制规划提供科学依据，自１９９０年起卫生部在全国设立了１３个流行病学观测点，开展血吸虫病流行病学纵向观测。现将四川省西昌市观测点８年钉螺观测结果报告如下。１方法西昌大兴乡观测点地处邛海东侧的高山台地...
In order to systematically grasp the epidemiological trends and trends of schistosomiasis and provide a scientific basis for the development of schistosomiasis control programs, the Ministry of Health has set up 13 epidemiological observation stations throughout the country since 1990 and conducted longitudinal epidemiological observations of schistosomiasis. Now Xichang City, Sichuan Province observed 8-year snail observation results reported below. 1 Method Daxing Township Xichang observation point is located on the eastern side of the sea Qaidam platform ...