Keywords: ACE-I, angiotensin-converting enzyme inhibitor; ACE2, angiotensin-converting enzyme receptor; AngII, angiotensin II; COVID-19; DIR, delayed inflammatory reaction; RAS, renin-angiotensin system; SARS-CoV-2; angiotensin II; angiotensin-converting enzyme inhibitor; delayed inflammatory reaction; delayed inflammatory reaction (DIR); dermal filler; edema; hyaluronic acid; mRNA, messenger RNA.