| Ad26 | adenovirus type 26 |
| Ad35 | adenovirus type 35 |
| APC | antigen-presenting cell |
| BAdV | bovine adenovirus |
| BAdV-3 | bovine adenovirus 3 |
| BHV-1 | bovine herpesvirus 1 |
| BPIV-3 | bovine parainfluenza virus type 3 |
| BRDC | bovine respiratory disease complex |
| BRSV | bovine respiratory syncytial virus |
| BVDV | bovine viral diarrhea virus |
| CAdV | canine adenovirus |
| CAM | chorioallantoic membrane |
| CD4 | cluster of differentiation 4 |
| CD8 | cluster of differentiation 8 |
| CEF | chicken embryo fibroblast |
| ChAd | chimpanzee adenovirus |
| COVID-19 | coronavirus disease 2019 |
| DIVA | differentiation of infected from vaccinated animals |
| dsDNA | double-stranded DNA |
| E1 | early region 1 |
| E1A | early region 1A |
| E3 | early region 3 |
| E4 | early region 4 |
| EID50 | 50% egg infectious dose |
| gD | glycoprotein D |
| gG | glycoprotein G |
| H5N1 | influenza A virus subtype H5N1 |
| HAdV | human adenovirus |
| HAdV-5 | human adenovirus type 5 |
| HEK293 | human embryonic kidney 293 cells |
| HIV | human immunodeficiency virus |
| HVT | herpesvirus of turkey |
| ICTV | International Committee on Taxonomy of Viruses |
| IFN-γ | interferon gamma |
| IgA | immunoglobulin A |
| IgG | immunoglobulin G |
| IM | intramuscular |
| ITR | inverted terminal repeat |
| MDA | maternally derived antibodies |
| MHC | major histocompatibility complex |
| MMP-9 | matrix metalloproteinase 9 |
| NDV | Newcastle disease virus |
| PAdV | porcine adenovirus |
| PFU | plaque-forming units |
| pIX | adenovirus protein IX |
| Poly(A) | polyadenylation signal |
| PRV | pseudorabies virus |
| RBMX2 | RNA-binding motif protein X-linked 2 |
| rNDV | recombinant Newcastle disease virus |
| SARS-CoV-2 | severe acute respiratory syndrome coronavirus 2 |
| SC | subcutaneous |
| SPPV | sheeppox virus |
| ssRNA | single-stranded RNA |
| TCID50 | 50% tissue culture infectious dose |
| TK | thymidine kinase |
| WT | wild type |