The mean ELISA readings of EBV serum IgG and IgA in the regular alcohol consumers of NPC group, 0.325 ± 0.05 and 0.466 ± 0.072 respectively, were not different from that in the non-regular alcohol consumers group, 0.372 ± 0.041 and 0.445 ± 0.086 respectively (p > 0.05), (Table 3 and Fig. 9). Here, CD79A is linked to nasopharyngeal carcinoma.