| SAV | Salmonid alphavirus |
| PD | Pancreas disease |
| SPDV | Salmon pancreas disease virus |
| SDV | Sleeping disease virus |
| WGS | Whole-genome sequencing |
| PA | Production area |
| MCMC | Markov chain Monte Carlo |
| MCC | Maximum clade credibility |
| HPD | Highest posterior density |
| MRCA | Most recent common ancestor |