In another study in Tunisia (north Africa), for 28 patients with NPC, 19 HLA-A alleles were found, and the highest frequencies of HLA-A alleles were for -A*02 (39.28%), -A*24 (25%), -A*30 (25%), and -A*26 (21.42%) (Nehla et al., 2017) [21]. Here, HLA-A is linked to nasopharyngeal carcinoma.