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罗山县位于豫南大别山区,地处鄂豫皖交界,面积2065平方公里,18个乡镇,总人口为650548人。全县均为碘缺乏病区,经过十几年以食盐加碘为主要措施的综合防治,于1984年达到基本控制标准。后经过连年的病情监测,碘盐合格率稳定在95%以上,7—14岁学生肿大率均在10%以下。然而,自1989年底国家调整盐价后,大量的非碘盐开始从省内外不断涌
Luoshan County is located in the southern Henan Dabie Mountain, located at the junction of Hubei, Henan and Anhui provinces, an area of 2065 square kilometers, 18 townships, with a total population of 650548 people. The county is iodine deficiency ward, after more than 10 years of salt iodization as the main measure of comprehensive prevention and control, in 1984 to reach the basic control standards. After years of monitoring after the disease, iodized salt pass rate stable at 95% or more, 7-14-year-old students were less than 10% of the rate of swelling. However, since the state adjusted the price of salt since the end of 1989, a large amount of non-iodized salt began to flow in and out of the province