| COVID-19 | Coronavirus disease 2019 |
| HERVs | Human endogenous retroviruses |
| KRAB-ZFPs | Krüppel-associated box domain zinc finger proteins |
| IFN | Interferon |
| IFN-I | Type I interferon |
| IFN-II | Type II interferon |
| IFN-III | Type III interferon |
| MIS-C | Multisystem inflammatory syndrome in children |
| MSRV | Multiple sclerosis-associated retrovirus |
| PRR | Pattern recognition receptor |
| SAMHD1 | Sterile alpha motif and HD-domain–containing protein 1 |
| SARS-CoV-2 | Severe acute respiratory syndrome coronavirus 2 |
| SETDB1 | SET domain bifurcated histone lysine methyltrasferase 1 |
| SYN1 | Syncytin 1 |
| SYN2 | Syncytin 2 |
| TRIM28 | Tripartite motif containing 28 |