CD79A and nasopharyngeal carcinoma: These results suggest that the combination of five antibodies (BLLF3-IgA, BLRF2-IgA, BLRF2-IgG, BDLF1-IgA, BDLF1-IgG) can replace the VCA-IgA, and combined with EBNA1-IgA can be effectively used in the diagnosis of NPC.