Pemphigus Vulgaris (PV) is a rare autoimmune blistering disease with multifactorial origin. Key Human Leukocyte Antigen (HLA) alleles, including DRB1*0402 and DQB1*0503, have been linked to the development of PV. However, it not known how HLA types vary ethnicity they shape autoimmunity in We assessed correlations between factors genotype, ethnicity, auto-antibody levels, lesion distribution co...