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高山、大川、湖泊、草原,城市、森林、沙漠、海洋……在人们居住的兰色星球上,并不是什么都是理想和美好的。复杂的地理、生态环境产生地球化学因素和生物因素,在一定区域内引发了一类地球化学性或自然疫源性疾病,严重影响人们的健康和生命,它就是地方病。我国是一个地方病多发的国家,病区分布在我国2413个县(市、区),占全国总县数的84%。常见的地方病主要有鼠疫、血吸虫病、碘缺乏病、大骨节病、克山病、布氏菌病,地方性氟中毒、砷中毒等等。现症病人约5100万。这些疾病更集中地分布在我国西部的大山区、少数民族地区、边疆地区
Alpine, okawa, lakes, grasslands, cities, forests, deserts, oceans ... Not everything is ideal and beautiful on blue planets where people live. Complex geography, ecological environment produce geochemical factors and biological factors, in a certain area triggered a class of geochemical or natural epidemic diseases, seriously affecting people’s health and life, it is endemic. China is a country endemic to China. The wards are located in 2,413 counties (cities and districts) in China, accounting for 84% of the total number of counties in the country. Common endemic diseases are plague, schistosomiasis, iodine deficiency disorders, Kashin-Beck disease, Keshan disease, brucellosis, endemic fluorosis, arsenic poisoning and so on. Disease patients are about 51 million. These diseases are more concentrated in large mountain areas in western China, ethnic minority areas, border areas