HLA-DRB1 and asthma: Morris et al., 1977 [9] reported that HLA- B8 was associated with asthma while Movahedi et al., 2008 [10] showed that HLA-DRB1*12, DQA1*0505 & DQB1*0603, *0604 alleles might be associated with asthma while Turton CWG.