| COVID-19 | Coronavirus disease 2019 |
| SARS-CoV-2 | severe acute respiratory syndrome coronavirus 2 |
| EGCG | epigallocatechin gallate |
| PLPro | Papain-like protease |
| S protein | SARS-CoV-2 spike glycoprotein |
| EC | (−)-epicatechin |
| EGC | (−)-epigallocatechin |
| Mpro | Main proteinase |
| TRAIL | TNF-related apoptosis-inducing ligand |
| TNF | Tumor necrosis factor |
| M-CSF | macrophage colony-stimulating factor |
| GRO-α | Grown regulated oncogene-α |
| G-CSF | Granulocyte colony stimulating factor |
| IL | Interleukin |
| β-NGF | β-Nerve growth factor |
| MCP-1 | Monocyte chemoattractant protein-1 |
| SCF | Skp1-cullin 1-F-box |
| IP-10 | Interferon gamma-induced protein 10 (also known as CXCL10) |
| PDGF-BB | Platelet derived growth factor-BB |
| IFN | Interferon |
| PI3K | Phosphoinositide 3-kinase |
| Akt | Protein kinase B |
| TNF | Tumor necrosis factor |
| CRP | C-Reactive protein |
| TIMP1 | Tissue inhibitor of metalloproteinase |
| CKM | Creatine Kinase M |
| JAK | Janus kinase |
| STAT | Signal transducer and activator of transcription protein |
| RDS | respiratory distress syndrome |
| ACE2 | Angiotensin I Converting Enzyme 2 |
| MAPK | Mitogen-activated protein kinase |
| TRAF6 | TNF Receptor Associated Factor 6 |
| TAK1 | Mitogen-Activated Protein Kinase Kinase Kinase 7 |
| NF-κB | Nuclear factor kappa B |
| TAM | Tumor-associated macrophage |
| MT1-MMP | Membrane type 1-matrix metalloproteinase |
| CSF | Colony stimulating factor |
| MSCs | Mesenchymal stromal cells |
| MIF | macrophage migration inhibitory factor |
| AD | Atopic Dermatitis |
| SEB | staphylococcal enterotoxin B |
| TAC | Transverse aortic constriction |
| CXCL | chemokine C-X-C ligand |
| NLRP3 | NOD-, LRR- and pyrin domain-containing protein 3 |
| SEB | Staphylococcal enterotoxin B |
| TLR | Toll-like receptor |
| LPS+Aβ | lipopolysaccahride+amyloid β protein |
| AT cells | Alveolar type 1 and 2 cells |
| DCs | Dendritic cells |
| TMPRSS2 | Transmembrane Serine Protease 2 |
| ATP | Adenosine triphosphate |
| DNA | Deoxyribonucleic acid |
| RNA | Ribonucleic acid |
| ASC | Apoptosis-associated speck-like protein |
| DAMPs | Damage associated molecular patterns |
| MIP1α | Macrophage inflammatory protein 1α |
| NK cells | Natural killer cells |
| UB | Ubiquitin |
| ISG | Interferon stimulated gene |
| UPS | Ubiquitin proteasome signaling |
| RIG-I | Retinoic acid-inducible gene I |
| TRIM25 | Tripartite motif-containing protein 25 |
| IRF | Interferon regulatory factor |
| STING | Stimulator of interferon genes |
| TSG101 | Tumor Susceptibility Gene 101 Protein |
| PKR | Protein kinase RNA-activated |
| CHMP5 | Charged Multivesicular Body Protein 5 |
| BECN1 | Beclin 1 |
| ERK1 | Mitogen-activated protein kinase 3 |
| IFIT1 | Interferon induced protein with tetratricopeptide repeats 1 |
| MxA | Myxovirus resistance protein 1 |
| p53 | Tumor protein 53 |
| PCNA | Proliferating cell nuclear antigen |
| HIF1α | Hypoxia-inducible factor 1-alpha |
| IQGAP1 | IQ Motif Containing GTPase Activating Protein 1 |
| UBC13 | Ubiquitin-conjugating enzyme E2 13 |
| UBCH6 | Ubiquitin-conjugating Enzyme H6 |
| PP2Cβ | Protein phosphatase 2Cβ |
| TRIM25 | Tripartite motif containing 25 |
| 4EHP | Eukaryotic Translation Initiation Factor 4E Family Member 2 |
| PML–RARα | Fusion protein of PML nuclear body scaffold protein and retinoic acid α receptor |
| δnp63α | Tumor protein 63 isoform |
| Nsp | Non-structural protein |
| GCG | (−)-gallocatechingallate |
| CG | (−)-catechingallate |
| GC | (−)-gallocatechin |
| C | (−)-catechin |