Advanced molecular typing also associates NPC with HLA-A-B-C haplotypes, which exhibit both a susceptibility effect (HLA-A*02∶03-B*38∶02-C*07∶02) and a protective effect (HLA-A*11∶01-B*13∶01-C*03∶04)[6]. Here, HLA-A is linked to nasopharyngeal carcinoma.