埃塞俄比亚埃塞俄比亚营养研究所于1979～1981年对35,635名学龄儿童和19,128名居民进行普查。主要结果如下:a.全国普遍存在甲状腺肿,高原地区尤甚;b.各地甲状腺肿发病率从0.4%到66.3%不等,全国平均发病率为25.1%,估计患病人数为一千万;c.偶尔可发现地克病;d.已证实缺碘为主要病因;是否存在其它致甲肿物质尚未确认。最近由全国化学公司、埃塞俄比亚营养 The Ethiopian Institute of Nutrition conducted a survey of 35,635 school-age children and 19,128 residents from 1979 to 1981. The main results are as follows: a. The prevalence of goiter in the country, particularly in the plateau; b. The incidence of goiter from 0.4% to 66.3%, the national average incidence was 25.1%, the estimated number of patients was 10 million; c. Occasionally, gram-gram disease can be found; d. It has been confirmed that iodine deficiency is the main cause; and the existence of other substances that cause pyloric edema has not been confirmed. Recently nutrition by the national chemical company, Ethiopia