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张家口地处华北平原和内蒙古高原的过渡带,海拔500~1 200 m,地形复杂,山峦起伏,丘陵与河谷盆地相间分布,绝大部分县区属于低碘区。农村人口占70%以上。因此农村地区的碘缺乏病防治工作是全市地方病工作的重点。了解农村居民,特别是学龄儿童的碘营养水平,把握农村地区碘缺乏病防
Zhangjiakou is located in the transitional zone between North China Plain and Inner Mongolia Plateau, with an elevation of 500-1,200 m. It has complicated terrain, undulating hills and hills and valleys and valleys, with the vast majority of counties belonging to the low-iodine area. Rural population accounts for more than 70%. Therefore, prevention and treatment of iodine deficiency disorders in rural areas is the focus of endemic disease work in the city. Understand the iodine nutrition of rural residents, especially school-age children, and grasp the prevention of iodine deficiency in rural areas