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An Irish family is described , in which 2 of 3 brothers had recurrent meningococcal infection .
 Disease: meningococcal infection
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Disease 
Text: {0} 
 Entities: meningococcal infection 
Answer:
 Disease: meningococcal infection