s are specific targets for SARS-CoV-2 spike proteins [15]. It has been found that lung parenchyma must be in the differentiated state of the cell cycle and must express the ACE-2 receptor on the apical side, i.e., the site of the first contact with air, of the parenchyma [16,17,18,19]. It is no surprise therefore that the SARS, MERS, and SARS-Co