| ACA | anterior cerebral artery |
| ACE1 | angiotensin-converting enzyme I |
| ACE2 | angiotensin-converting enzyme 2 |
| Ang-II | angiotensin II |
| Ang-I | angiotensin I |
| Ang 1–7 | angiotensin 1–7 |
| ARDS | severe acute respiratory distress syndrome |
| ARBs | angiotensin II receptor blockers, |
| AT1R | angiotensin type-1 receptor |
| CoVs | coronaviruses |
| CAD | coronary artery disease |
| CVD | cardiovascular disease |
| CatB/L | cathepsin B/L |
| COVID-19 | coronavirus disease 2019 |
| CT | computed tomography |
| DIC | disseminated intravascular coagulation |
| EC | endothelial cell |
| Kb | kilobases |
| ICU | intensive care unit |
| IL | Interleukin |
| MCA | middle cerebral artery |
| MI | myocardial infarction |
| MRI | magnetic resonance |
| NRP | neuropilin |
| PE | pulmonary embolism |
| RBD | receptor-binding domain |
| RMSD | root-mean-square deviation |
| SARS-CoV | severe acute respiratory syndrome coronavirus |
| SARS-CoV-2 | severe acute respiratory syndrome coronavirus 2 |
| S | spike |
| TMPRSS2 | transmembrane serine protease 2 |
| VEGF-A | Vascular Endothelial Growth Factor |
| VTE | venous thromboembolism |
| WHO | World Health Organization |