Additionally, the risk of allergy severity was linked to specific HLA allele genotypes, including HLA-B*46:01 (OR = 1.68, 95% CI: 1.04–2.71, p = 0.035), and HLA-DPB1*02:02 (OR = 1.95, 95% CI: 1.11–3.42, p = 0.020), when compared to their counterparts. Here, HLA-B is linked to Allergy.