| FAV | facio-auriculovertebral [sequence]; feline ataxia virus; floppy aortic valve; fowl adenovirus |
|---|---|
| FGG | fibrinogen gamma; focal global glomerulosclerosis; fowl gamma-globulin |
| FPV | feline pseudoleukopenia virus; fowl plague virus |
| HCV | hepatitis C virus; hog cholera virus |