4454
The ability of C5D serum to opsonize Saccharomyces cerevisiae ( bakers yeast ) or Candida albicans for ingestion by normal neutrophils was completely normal .
 C5D
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Disease 
Text: {0} 
Answer:
 C5D