11774
When tested in cytotoxicity assays using T-lymphocytes from VZV immune human donors , the range of precursor frequencies for T-lymphocytes that recognized VZV gE or VZV IE62 was similar whether these proteins were expressed by HSV-1 or a vaccinia vector .
 VZV gE, T-lymphocytes, T-lymphocytes, VZV IE62
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:
 VZV gE, T-lymphocytes, T-lymphocytes, VZV IE62