TABLE 2.
Cross-HI data obtained testing H7N3 LPAI viruses isolated between 2002 and 2004 from unvaccinated and vaccinated farms against representative H7N3 turkey seraa
| Antigen | HI titer obtained with serum |
||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| A/turkey/England/647/1977 | A/turkey/England/647/1977 | A/turkey/Italy/1067/1999 | A/turkey/Italy/8000/2002 | A/turkey/Italy/8000/2002 | A/turkey/Italy/3399/2004 | A/turkey/Italy/3399/2004 | A/turkey/Italy/9369/2002 | A/turkey/Italy/9369/2002 | A/turkey/Italy/8651/2002 | A/turkey/Italy/8651/2002 | A/turkey/Italy/4130/2004 | A/turkey/Italy/4130/2004 | |
| A/turkey/Italy/8000/2002 (H7N3) | 320 | 80 | 320 | 160 | 40 | 80 | 160 | 160 | 160 | 320 | 320 | 40 | 320 |
| A/shoveler/Italy/377/2006 (H7N7) | 40 | 20 | 40 | 20 | 0 | 20 | 80 | 80 | 40 | 160 | 80 | 40 | 160 |
| A/turkey/Italy/9289/2002 (H7N3) | 80 | 40 | 160 | 80 | 20 | 20 | 80 | 160 | 160 | 160 | 80 | 40 | 80 |
| A/turkey/Italy/8912/2002 (H7N3) | 160 | 80 | 320 | 160 | 160 | 80 | 160 | 320 | 160 | 320 | 160 | 40 | 160 |
| A/turkey/Italy/8535/2002 (H7N3) | 160 | 80 | 320 | 160 | 40 | 160 | 320 | 320 | 640 | 320 | 160 | 80 | 160 |
| A/turkey/Italy/9737/2002 (H7N3) | 80 | 40 | 160 | 40 | 0 | 20 | 80 | 160 | 160 | 320 | 80 | 40 | 320 |
| A/turkey/Italy/9374/2002 (H7N3) | 40 | 20 | 80 | 80 | 0 | 20 | 80 | 40 | 80 | 160 | 80 | 40 | 160 |
| A/turkey/Italy/7159/2002 (H7N3) | 80 | 20 | 20 | 80 | 0 | 20 | 40 | 160 | 80 | 160 | 80 | 80 | 320 |
| A/turkey/Italy/7653/2002 (H7N3) | 40 | 20 | 40 | 40 | 0 | 20 | 40 | 80 | 80 | 160 | 80 | 40 | 160 |
| A/turkey/Italy/8307/2002 (H7N3) | 80 | 40 | 80 | 320 | 0 | 40 | 80 | 80 | 80 | 160 | 80 | 80 | 160 |
| A/chicken/Italy/8093/2002 (H7N3) | 160 | 160 | 160 | 160 | 40 | 80 | 160 | 160 | 80 | 160 | 80 | 80 | 160 |
| A/turkey/Italy/8458/2002 (H7N3) | 320 | 40 | 160 | 160 | 0 | 20 | 80 | 320 | 80 | 320 | 160 | 40 | 160 |
| A/turkey/Italy/8651/2002 (H7N3) | 80 | 40 | 80 | 40 | 0 | 20 | 80 | 160 | 80 | 160 | 80 | 20 | 80 |
| A/turkey/Italy/8834/2002 (H7N3) | 40 | 20 | 40 | 40 | 0 | 0 | 40 | 80 | 80 | 160 | 80 | 40 | 160 |
| A/turkey/Italy/9369/2002 (H7N3) | 40 | 20 | 80 | 40 | 0 | 20 | 40 | 80 | 40 | 80 | 40 | 40 | 160 |
| A/turkey/Italy/9314/2002 (H7N3) | 80 | 40 | 80 | 80 | 0 | 40 | 80 | 160 | 80 | 160 | 80 | 160 | 640 |
| A/turkey/Italy/9102/2002 (H7N3) | 80 | 40 | 160 | 80 | 40 | 40 | 160 | 320 | 160 | 320 | 320 | 40 | 80 |
| A/turkey/ENGLAND/647/1977 (H7N7) | 80 | 160 | 40 | 20 | 20 | 20 | 20 | 80 | 80 | 320 | 80 | 40 | 80 |
| A/turkey/Italy/1067/1999 | 20 | 0 | 80 | 40 | 20 | 20 | 0 | 40 | 0 | 160 | 40 | 0 | 160 |
| A/turkey/Italy/251/2003 (H7N3) | 20 | 0 | 20 | 20 | 0 | 0 | 0 | 0 | 20 | 80 | 40 | 40 | 40 |
| A/chicken/Italy/682/2003 (H7N3) | 640 | 160 | 640 | 160 | 160 | 160 | 640 | 640 | 320 | 640 | 320 | 20 | 160 |
| A/turkey/Italy/1010/2003 (H7N3) | 320 | 80 | 320 | 320 | 0 | 160 | 320 | 320 | 320 | 1280 | 640 | 20 | 320 |
| A/guineafowl/Italy/1613/2003 (H7N3) | 160 | 40 | 80 | 80 | 20 | 40 | 80 | 160 | 80 | 320 | 80 | 80 | 640 |
| A/turkey/Italy/2043/2003 (H7N3) | 20 | 0 | 80 | 40 | 0 | 0 | 0 | 20 | 40 | 80 | 40 | 0 | 80 |
| A/chicken/Italy/2240/2003 (H7N3) | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 160 |
| A/turkey/Italy/2684/2003 (H7N3) | 80 | 40 | 80 | 80 | 0 | 20 | 80 | 80 | 40 | 320 | 80 | 40 | 160 |
| A/turkey/Italy/2856/2003 (H7N3) | 40 | 0 | 80 | 80 | 0 | 0 | 20 | 40 | 40 | 160 | 80 | 80 | 160 |
| A/turkey/Italy/2987/2003 (H7N3) | 40 | 40 | 80 | 40 | 0 | 80 | 80 | 20 | 20 | 20 | 20 | 20 | 40 |
| A/turkey/Italy/4036/2003 (H7N3) | 0 | 0 | 20 | 20 | 0 | 20 | 40 | 40 | 0 | 80 | 20 | 20 | 40 |
| A/turkey/Italy/3620/2003 (H7N3) | 20 | 20 | 20 | 20 | 0 | 20 | 20 | 20 | 20 | 20 | 20 | 0 | 0 |
| A/turkey/Italy/4608/2003 (H7N3) | 0 | 0 | 20 | 20 | 0 | 20 | 40 | 40 | 0 | 40 | 20 | 0 | 80 |
| A/turkey/Italy/2962/2003 (H7N3) | 20 | 20 | 20 | 40 | 0 | 40 | 40 | 80 | 20 | 80 | 20 | 40 | 80 |
| A/turkey/Italy/2963/2003 (H7N3) | 40 | 80 | 80 | 80 | 0 | 80 | 160 | 80 | 40 | 80 | 80 | 0 | 80 |
| A/turkey/Italy/3337/2004 (H7N3) | 20 | 20 | 40 | 40 | 0 | 160 | 320 | 0 | 0 | 80 | 20 | 80 | 80 |
| A/quail/Italy/3347/2004 (H7N3) | 20 | 20 | 40 | 80 | 0 | 160 | 320 | 0 | 20 | 160 | 20 | 20 | 80 |
| A/turkey/Italy/3439/2004 (H7N3) | 0 | 20 | 20 | 40 | 0 | 80 | 160 | 0 | 0 | 80 | 0 | 40 | 80 |
| A/turkey/Italy/3477/2004 (H7N3) | 20 | 40 | 80 | 80 | 20 | 320 | 640 | 0 | 20 | 160 | 20 | 40 | 160 |
| A/turkey/Italy/3807/2004 (H7N3) | 0 | 20 | 40 | 40 | 0 | 80 | 320 | 0 | 20 | 80 | 20 | 20 | 40 |
| A/turkey/Italy/3829/2004 (H7N3) | 20 | 40 | 40 | 80 | 20 | 160 | 320 | 0 | 20 | 80 | 20 | 80 | 80 |
| A/turkey/Italy/4042/2004 (H7N3) | 20 | 20 | 40 | 80 | 0 | 80 | 320 | 0 | 0 | 80 | 20 | 80 | 160 |
| A/turkey/Italy/4130/2004 (H7N3) | 0 | 20 | 20 | 80 | 0 | 80 | 160 | 0 | 40 | 80 | 20 | 80 | 80 |
| A/turkey/Italy/4479/2004 (H7N3) | 0 | 20 | 20 | 80 | 20 | 80 | 160 | 0 | 40 | 40 | 20 | 40 | 160 |
| A/turkey/Italy/3399/2004 (H7N3) | 40 | 40 | 80 | 80 | 20 | 320 | 640 | 0 | 20 | 160 | 20 | 20 | 160 |
| A/turkey/Italy/4199/2004 (H7N3) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 160 | 160 |
a
A/turkey/1067/1999 was the vaccine strain. Viruses from vaccinated farms are in bold.