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Thirty countries remain iodine - deficient ; 9 are moderately deficient , 21 are mildly deficient , and none are currently considered severely iodine - deficient .
 Chemical: iodine; Chemical: iodine
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: iodine; Chemical: iodine