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This report represents the first cases of C7 deficiency associated with infectious complications and suggests that bactericidal activity may be important in host defense against bacteremic neisseria infections .
 C7 deficiency, bacteremic neisseria infections
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Disease 
Text: {0} 
Answer:
 C7 deficiency, bacteremic neisseria infections