9729
These findings show that healthy virus carriers maintain a high frequency of BZLF1 -specific memory T cells , potentially to control virus spread from lytically infected cells .
 ( cell type: lytically infected cells, None) , ( cell type: BZLF1 -specific memory T cells, None) , ( protein: BZLF1, None) 
Locate the role in the text that participated in the event based on the event type and return it in the event list. 
 Option: Event type: RNA,cell type,protein,cell line,DNA, Arguments type: . 
Text: {0} 
Answer:
 ( cell type: lytically infected cells, None) , ( cell type: BZLF1 -specific memory T cells, None) , ( protein: BZLF1, None) 