Volume 13, Number 2—February 2007
Research
Subclinical Infection with Avian Influenza A H5N1 Virus in Cats
Table
Time scale of sampling and course of influenza A virus H5N1 hemagglutinating antibody titer in cats 1, 2, and 4, Austria, 2006*
| Day | Timeline events | No. pharyngeal swabs | No. rectal swabs | No. blood samples | H5N1 antibody titer |
|---|---|---|---|---|---|
| 1 | H5N1 virus–positive swan dies | ||||
| 4 | All poultry culled (38); 13 positive | ||||
| 8 | 3 cats positive | 40 | |||
| 15 | All cats negative | 34 | |||
| 22 | Quarantine starts | 160 | 160 | 14 | Cat 1, 64
Cat 2, negative
Cat 4, ND |
| 29 | Examination under anesthesia | All cats (164) | 164 | 164 | Cat 1, 128
Cat 2, negative
Cat 4, 256 |
| 36 | 28 | Cat 1, 128
Cat 2, negative
Cat 4, ND | |||
| 50 | Cats 1 and 4 humanely killed for necropsy | All cats (155) | Cat 1, 256 Cat 4, 256 |
*ND, not done.


