KCNA6 immunohistochemistry on archival clinical samples of human sinonasal tissues showed KCNA6-positive cells with epithelial or serous gland origin (Fig 6H-I) Our findings indicate the presence of KCNA6 could be relevant for sensory aspects of COVID-19 symptoms and suggest the potential for uncovering new ACE2-dependent entry mechanisms [56], but more stringent studies would be needed to further understand this effect. This evidence concerns the gene ACE2 and COVID-19.