3093
Recurrent meningitis in a patient with congenital deficiency of the C9 component of complement .
 meningitis, congenital deficiency of the C9 component of complement
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Disease 
Text: {0} 
Answer:
 meningitis, congenital deficiency of the C9 component of complement