HLA-DRB1 and allergic bronchopulmonary aspergillosis: In ABPA, we previously reported HLA-DR2 (HLA-DRB1*15 and B1*16)/DR5 (HLA-DRB1*11 and HLA-DRB1*12) restriction, and in particular HLA-DRB1*1501 and HLA-DRB1*1503 genotypes as a risk factor for the development of ABPA [25,26].