AGT and COVID-19: These two processes: (a) binding the virus (hindering its entry into the cell) and (b) the production of angiotensin (1-7) with the simultaneous degradation of angiotensin 2 (angiotensin 2 → angiotensin (1-7)), became the basis of the concept according to which recombinant human sACE2 (rhACE2) may become a potential drug for severe lung injury (ARDS) in the course of COVID-19.