Remarkably, the secretor status of the FUT2 gene was suggested as a close correlation with a variety of gastrointestinal diseases, including IBD (Tang et al., 2021), and diseases caused by viruses, mainly norovirus (Nov) (Lindesmith et al., 2003; Currier et al., 2015) and rotavirus (RV) (Galeev et al., 2021). This evidence concerns the gene FUT2 and inflammatory bowel disease.