3567
Development of P carinii pneumonia was associated with the stage of Kaposi ' s sarcoma , B subtype disease , and the presence of 0 . 20 X 10 ( 9 ) / L ( 200 / mm3 ) or fewer CD4 cells at study entry .
 GENE: CD4
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
Answer:
 GENE: CD4