In spite of considerable national investments, supported by UNICEF and the World Bank, iodized salt coverage among households has stagnated at around 65-70 per cent for more than five years.
尽管该国在儿童基金会和世界银行的支助下进行了大量投资，但家庭食用碘盐的比例五年多来一直在65-70％的水平上停滞不前。