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刚果民主共和国（前扎伊尔）有世界上最严重的碘缺乏病。１９９１年～１９９３年调查，全国甲状腺肿发病率高达４３％。１９９３年政府下令全国供应碘盐。１９９７年从１１个省的２１个观测点采集盐样和尿样进行检测，其中１７个点１００％有碘；３个点有碘率超过９０％，...
The Democratic Republic of the Congo (former Zaire) has the most serious iodine deficiency disorder in the world. 1991 ~ 1993 survey, the country’s goiter incidence as high as 43%. In 1993 the government ordered the supply of iodized salt nationwide. Salt and urine samples were collected from 21 observation points in 11 provinces in 1997, of which 17 were 100% iodine; three iodine rates exceeded 90%, ...