| CLDN | Claudin |
| COX | Cyclooxygenase |
| DCFDA | 2′,7′-dichlorofluorescin diacetate |
| DMEM | Dulbecco’s Modified Eagle Medium |
| EcN | Escherichia coli Nissle 1917 |
| ELISA | Enzyme-linked immunosorbent assay |
| EVs | Extracellular vesicles |
| FBS | Fetal bovine serum |
| GAPDH | Glyceraldehyde-3-phosphate dehydrogenase |
| IFN | Interferon |
| IL | Interleukin |
| ISG | Interferon-stimulated genes |
| LDH | Lactate dehydrogenase |
| MOI | Multiplicity of infection |
| MUC2 | Mucin 2 |
| NSP | Nonstructural protein |
| NF-kB | Nuclear factor kappa B |
| OCLN | Occludin |
| PFU | Plaque-forming units |
| PGE2 | Prostaglandin E2 |
| RIG-I | Retinoic acid-inducible gene 1 |
| ROS | Reactive oxygen species |
| RT-qPCR | Quantitative reverse transcription-polymerase chain reaction |
| TCR | T cell receptor |
| TJ | Tight junctions |
| TLR | Toll-like receptor |
| SEM | Standard error of the mean |
| STAT | Signal transducer and activator of transcription |
| VP | Viral protein |
| ZO-1 | Zonula occludens 1 |