HLA-B and Kaposi's sarcoma: Indeed, few associations reported here have been satisfactorily replicated yet, with the exception of the reported association of an IL6 promoter polymorphism (XM_011515390.2:c.‐84‐153C>G) with increased risk of AIDS‐related KS and iatrogenic KS,41, 42 the HLA‐B*1401 allele with increased risk of AIDS‐KS51, 52 and the HLA‐B*2702/5 haplotype with decreased risk of AIDS‐related KS.51, 53