ACE2 and COVID-19: In this article we report the results of an analysis of serum levels of angiotensin-(1–7) and (1–9) and ACE and ACE2 from samples of patients with non-severe and severe COVID-19 compared to non-infected controls and the use of the novel peptides angiotensin-(1–7) and (1–9) in preventing cell death in the setting of COVID infection in an in vitro model.