| ACE2 | Angiotensin-2 converting enzyme |
| Ang II | Angiotensin II |
| CARDS | COVID-19-associated acute respiratory distress syndrome |
| COVID-19 | Coronavirus disease |
| CRP | C-reactive protein |
| HDIVC | High-Dose Intravenous Vitamin C |
| ICU | Intensive care unit |
| IL | Interleukin |
| NLRP3 | Nod-like receptor family pyrin domain containing 3 |
| RBD | Receptor-binding domain |
| RCT | Randomized controlled trial |
| SARS-CoV-2 | Severe acute respiratory syndrome coronavirus 2 |