TABLE 3.
Transmission of H3N8 and H3N2 influenza viruses in ferrets
| Virus | Direct-contact group |
Airborne-exposed group |
||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Res.sym. | No. of ferrets shed virus | Onset (dpc)a | Duration (days) | Seroconverted | Res.sym. | No. of ferrets shed virus | Onset (dpc) | Duration (days) | Seroconverted | |
| Ck/481 | 3/3 | 3/3 | 3,3,4 | 7,7,6 | 3/3 (320, 640, 640) | 1/3 | 1/3 | 4,/,/ | 6,/,/ | 2/3 (160, 160, <10) |
| Ck/8520 | 2/3 | 2/3 | 2,3,/ | 7,7,/ | 3/3 (320, 320, 640) | 0/3 | 0/3 | /,/,/ | /,/,/ | 0/3 (<10, <10, <10) |
| Ck/6673 | 2/3 | 2/3 | 4,7,/ | 6,7,/ | 2/3 (640, 640, <10) | 2/3 | 2/3 | 5,7,/ | 7,6,/ | 2/3 (640, 320, <10) |
| HK1/68 | 3/3 | 3/3 | 1,1,2 | 6,6,6 | 3/3 (1,280, 1,280, 1,280) | 3/3 | 3/3 | 1,2,2 | 7,6,6 | 3/3 (1,280, 1,280, 1,280) |
a
dpc, day postcontact.