| SARS-CoV-2 | Severe Acute Respiratory Syndrome Coronavirus 2 |
| COVID-19 | Coronavirus Disease 2019 |
| ARDS | Acute Respiratory Distress Syndrome |
| PRP | Platelet-Rich Plasma |
| PL | Platelet Lysate |
| CCL-11 | C-C Motif Chemokine Ligand 11 (Eotaxin) |
| CTGF | Connective Tissue Growth Factor |
| HGF | Hepatocyte Growth Factor |
| IGF-1 | Insulin-Like Growth Factor 1 |
| PDGF | Platelet-Derived Growth Factor |
| TGF-β | Transforming Growth Factor Beta |
| VEGF | Vascular Endothelial Growth Factor |
| GPiB | Glycoprotein Ib |
| GPVI | Glycoprotein VI |
| PRR | Pattern Recognition Receptors |
| PAMP | Pathogen-Associated Molecular Pattern |
| DAMP | Damage-Associated Molecular Pattern |
| TLR | Tool-Like Receptor |
| CLR | C-type Lectin Receptor |
| DC-SIGN | Dendritic Cell-Specific ICAM3-Grabbing Non-Integrin |
| ACE-2 | Angiotensin Converting Enzyme 2 |
| NET | Neutrophil Extracellular Trap |
| TMPRSS2 | Transmembrane protease, serine 2 |
| ITGA2B | Integrin alpha-IIB |
| CXCL4 | Platelet Factor 4 |
| IL-1B | Interleukin 1-β |
| MSC | Mesenchymal Stem Cells |
| GM-CSF | Granulocyte-Macrophage Colony-Stimulating Factor |
| ELISA | Enzyme-Linked Immunoabsorbent Assay |
| MCP-1 | Monocyte Chemoattractant Protein-1 |
| RNA | Ribonucleic Acid |
| MPV | Mean Platelet Volume |