Fig. 1From: Age and gender differences in ACE2 and TMPRSS2 expressions in oral epithelial cellsCo-expression of ACE2 and TMPRSS2 in oral epithelial cells. Immunofluorescent images of epithelial cells in oral tissues stained with DAPI (blue), TMPRSS2 (green) and ACE2 (red). Scale bar, 20 μmBack to article page