| AAEP | American Association of Equine Practitioners |
| AAFP | American Association of Feline Practitioners |
| AAHA | American Animal Hospital Association |
| EEE | Eastern Equine Encephalitis |
| EHV | Equine Herpesvirus |
| EVA | Equine Viral Arteritis |
| EWT | Encephalomyelitis-West Nile |
| PPID | Pituitary Pars Intermedia Dysfunction |
| WEE | Western Equine Encephalitis |
| VEE | Venezuelan Equine Encephalitis |
| WNV | West Nile virus |
| WSAVA | World Small Animal Veterinary Association |