Table 1.
Comparison of NI results using conventional and miniaturized assays
| NA source | Serum | NI titers by two assays | |
|---|---|---|---|
| Conventional | Miniaturized | ||
| H6N1NC/99 | Normal ferret | <5 | <5 |
| Ferret α‐H1N1* | 320 | 1280 | |
| Ferret α‐H3N2** | <5 | <5 | |
| H6N2Wis/05 | Normal ferret | <5 | <5 |
| Ferret α‐H1N1* | <5 | <5 | |
| Ferret α‐H3N2** | 40 | 80 | |
| Human | Pre | Post*** | Pre | Post | |
|---|---|---|---|---|---|
| H6N2Wis/05 | Volunteer 1 | <5 | 5 | 5 | 20 |
| Volunteer 4 | <5 | 5 | 10 | 20 | |
| Volunteer 6 | <5 | 5 | 10 | 20 | |
| Volunteer 7 | 5 | 5 | 20 | 20 |
NI, neuraminidase inhibition; NA, neuraminidase.
*Ferret anti‐A/New Caledonia/20/1999.
**Ferret anti‐A/Wisconsin/67/2005.
***Sera were collected 4 weeks after influenza vaccination.