HLA-A and nasopharyngeal carcinoma: While there is ample biological plausibility for the association between HLA*0207, HLA*11** and NPC, including evidence that HLA-A*1101 is efficient at presenting EBV antigens to the immune system [19], we cannot determine whether observed associations are driven by these two specific alleles or by alleles in other HLA genes in tight LD with HLA-A.