CD79A and nasopharyngeal carcinoma: In one key study that followed a group of 1445 asymptomatic individuals with a moderate or high serum EBV antibody score (defined as EBV VCA/EBNA1 IgA score ≥ 0.65) in the Guangdong NPC screening trial (54), a total of 38 NPC cases were identified over the course of 4 years.