1370
Epstein-Barr virus ( EBV ) infection of mature, resting B cells drives them to become lymphoblasts expressing high levels of cell surface molecules, such as CD48 , characteristically expressed on normal activated B cells .
 CD48, resting B cells, normal activated B cells
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
Answer:
 CD48, resting B cells, normal activated B cells