| AP-1 | activator protein-1 |
| APND | amidopyrine-N-demethylase |
| ANND | analgin-N-demethylase |
| CDK4 | cyclin-dependent kinase 4 |
| CPE | cytopathic effect |
| dpi | days postinfection |
| DAD | diode array detector |
| EC50 | effective concentration 50% |
| EGC | epigallocatechin |
| EGCG | epigallocatechin gallate |
| GFP | green fluorescent protein |
| HPLC | high-performance liquid chromatography |
| HNE | 4-hydroxynonenal |
| hpi | hour postinfection |
| 16HBE | human bronchial epithelial cells |
| HSF | human skin fibroblasts |
| iNOS | inducible nitric oxide synthase |
| IV | influenza virus |
| IAV | influenza A virus |
| IC50 | inhibitory concentration 50% |
| IFN | interferon |
| IL | interleukin |
| LPO | lipid peroxidation |
| MIP | macrophage inflammatory protein |
| MHC | major histocompatibility complex |
| MDA | malondialdehyde |
| MST | microscale thermophoresis |
| MCP-1 | monocyte chemoattractant protein-1 |
| Nox2 | NADPH oxidase 2 |
| NBT | nitro blue tetrazolium |
| NMR | nuclear magnetic resonance |
| 2-5 OAS | 20:50-oligoadenylate synthetase |
| PBMC | peripheral blood mononuclear cell |
| Q3R | quercetin 3-rhamnoside |
| RNS | reactive nitrogen species |
| ROS | reactive oxygen species |
| Ra | receptor antagonist |
| rhGM-CSF | recombinant human granulocyte-macrophage colony-stimulating factor |
| RANTES | regulated on activation: normal T lymphocytes expressed |
| SI | selectivity index |
| S | spike protein |
| SAR | structure–activity relationship |
| SOD | superoxide dismutase |
| SPR | surface plasmon resonance |
| Th | T helper |
| TBARS | thiobarbituric acid reactive substances |
| TLR7 | toll-like receptor 7 |
| TRAIL | TNF-related apoptosis-inducing ligand |
| TNF | tumor necrosis factor |
| UPLC | ultrahigh performance liquid chromatography |
| VSMC | vascular smooth muscle cell |
| XO | xanthine oxidase |
| WBC | white blood cells |