Table 5 Hemagglutination inhibition (HI) titers of immune/reference sera against four subtypes of AI viruses in HI assay with five different types of RBCs
Sr. No. | Virus antigens | Antisera | RBCs | ||||
|---|---|---|---|---|---|---|---|
Turkey (0.5%) | Fowl (0.5%) | Goose (1%) | Guinea Pig (0.75%) | Horse (1%) | |||
HI titer | |||||||
1 | A/turkey/Italy/80 (H5N2)-OIE | H5-OIE | 560 | 2560 | 2560 | 1280 | No titer |
2 | A/chicken/Italy/1067/1999 (H7N1)-OIE | H7N1-OIE | 640 | 640 | 640 | 320 | 320 |
3 | A/aquatic bird/India/NIV-17095/2007 (H11N1) | H11N1-NIV | 1280 | 1280 | 1280 | 1280 | 1280 |
4 | A/chicken/Pune/099321/2009 (H9N2) | H9N2-NIV | 180 | 1280 | 1280 | 180 | No titer |
5 | A/chicken/West Bengal/1057183/2010 (H9N2) | H9N2-NIV | 1280 | 1280 | 1280 | 1280 | No titer |