CD79A and nasopharyngeal carcinoma: Several anti‐EBV antibodies, especially immunoglobulin A (IgA), such as VCA/IgA, EA‐D/IgA, and EBNA1/IgA, were found to be higher in NPC patients compared to those of healthy carriers and patients with other head and neck diseases 3, 4, 5, 6, 7, 8, 9, 10.