Table. Survey of feline serum samples, collected from 1999 to 2005, for influenza A virus, Italy*.
| Clinical status | N | Diagnosis | N | Virus status | N |
|---|---|---|---|---|---|
| Pet cats | |||||
| Nonsymptomatic | 25 | FIV | 2 | ||
| FeLV | 1 | ||||
| Symptomatic | 77 | FIP | 36 | ||
| Locally extensive inflammation | 18 | FIV | 4 | ||
| Hematologic neoplasia | 8 | FIV | 1 | ||
| Nonhematologic tumors | 8 | ||||
| Systemic inflammatory or degenerative diseases | 7 | FIV | 2 | ||
| FIV + FeLV | 1 | ||||
| Free-roaming cats | |||||
| Nonsymptomatic | 54 | FIV | 5 | ||
| Symptomatic | 40 | Locally extensive inflammation | 27 | FIV | 7 |
| Systemic inflammatory or degenerative diseases | 7 | ||||
| FIP | 6 | ||||
*FIV, feline immunodeficiency virus; FIP, feline infectious peritonitis; FeLV, feline leukemia virus.