UGT2A1 and osteochondritis dissecans: Regarding the great disparity in OD prevalence among world regions during the early time of the pandemic, Shelton et al. have suggested that it could be related to a host factor involving genetics, with a locus named UGT2A1/A2 encoding the uridine 5’-diphospho (UDP) glycosyltransferase, an enzyme related to olfaction [40].