10875
Epstein-Barr virus ( EBV ), an oncogenic human herpesvirus , binds to and infects normal human B lymphocytes via CD21 , the CR2 complement receptor .
 normal human B lymphocytes, CR2 complement receptor, CD21
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:
 normal human B lymphocytes, CR2 complement receptor, CD21