HLA-DRB1 and atopic asthma: Donfack et al. studied the HLA regional alleles and found that DRB1*0101, DRB 1*0102 alleles pose a risk of cockroach sensitization, thus elucidating that elucidation of HLA‐DRB 1 can be used for the treatment of atopic asthma at the molecular level [43].