| FUS | feline urologic syndrome; first-use syndrome |
|---|---|
| FVR | feline viral rhinotracheitis; forearm vascular resistance |
| FOCMA | Feline oncornavirus-associated cell membrane antigen |
|---|---|
| FPLV | Feline panleucopenia virus |
| FPV | Feline panleukopenia virus |
| FeSV | Feline sarcoma virus |