TAS2R38 and COVID-19: Given the lack of consistent evidence linking TAS2R38 haplotypes (or T2R38 phenotypes) and COVID-19 infection/severity, previous reports of differences in COVID-19 outcomes according to TAS2R38 haplotypes (or its phenotypic expression) should be interpreted with caution, but it is important to consider that a role of TAS2R38 in innate immunity is biologically plausible.