根据《全国克山病监测方案》的要求 ,今年对吉林省潜在型克山病监测点在连续 3年监测的基础上进行了第 4年度的病情访视 ,现将监测结果报告如下。1　材料和方法1 .1　监测点的选择吉林省潜在型克山病监测点选择在蛟河市前进乡城阳村、桦甸市八道河子镇新胜村 ,两屯均为历史重病 According to the requirements of the “National Keshan Disease Surveillance Program”, this year’s surveillance of the potential Keshan disease in Jilin Province was conducted for the fourth year on the basis of three consecutive years of monitoring. The monitoring results are reported as follows. 1 Materials and methods 1.1 The choice of monitoring points Potential Keshan disease monitoring sites in Jilin Province choose to advance in Jiaohe City Township Yang Village, Badahezi Town, Huadian City, Xinsheng Village, two are history of serious illness