| FMD | foot-and-mouth disease |
| WOAH | World Organisation for Animal Health |
| FMDV | foot-and-mouth disease virus |
| RNA | ribonucleic acid |
| WRLFMD | World Reference Laboratory for Foot-and-Mouth Disease |
| BHK T7-9 | baby hamster kidney cells expressing T7 RNA polymerase |
| LF-BK | fetal porcine kidney cells |
| DMEM | Dulbecco’s Modified Eagle Medium |
| DNA | deoxyribonucleic acid |
| BSL-3 | biosafety level 3 |
| PCR | polymerase chain reaction |
| BEI | binary ethyleneimine |
| TEM | transmission electron microscopy |
| 2D-VNT | two-dimensional virus neutralization test |
| dpv | days post-vaccination |
| CPE | cytopathic effect |
| TCID50 | 50% tissue culture infectious dose |
| dpc | days post-challenge |
| ELISA | enzyme-linked immunosorbent assay |
| S/N | sample-to-negative control |
| RT-PCR | real-time reverse transcription polymerase chain reaction |
| VN | virus neutralization |
| VNT | virus neutralization testing |
| VP 1-4 | viral proteins 1-4 |
| MEGA | molecular evolutionary genetics analysis |
| NC | negative control |
| Comm. Vac. | commercial vaccine |
| r1 | antigenic relationship value |
| IACUC | Institutional Animal Care and Use Committee |
| APQA | Animal and Plant Quarantine Agency |
| SEM | standard error of mean |
| ANOVA | analysis of variance |
| PAN | pan-serotype test line |