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C5 levels of other family members were either normal or approximately half - normal , consistent with autosomal codominant inheritance of the gene determining C5 deficiency .
 Disease: C5 deficiency
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease 
Text: {0} 
Answer:
 Disease: C5 deficiency