Table 5.
Hemagglutination inhibition assay titres of monoclonal and polyclonal antibodies against different Egyptian H9N2 isolates
| Virus | Monoclonal antibodies | Polyclonal antibodies | |||||
|---|---|---|---|---|---|---|---|
| G1 | 1073 | G9 | Y280 | Ferret | Rat | Chicken | |
| (G1-26) | (1073-9) | (G9-25) | 18G4 | A/quail/UAE/D1556/2011 | A/CH/EG/S4456B/11 | A/quail/Lebanon/272/2010 | |
| A/chicken/Egypt/S4454E/2011 | 51200 | 6400 | 204800 | 800 | <10 | 4096 | 128 |
| A/chicken/Egypt/S4456B/2011 | 25600 | 400 | 51200 | 800 | <10 | 2048 | 64 |
| A/chicken/Egypt/D4692A/2012 | 25600 | 800 | 204800 | 200 | <10 | 2048 | 64 |
| A/chicken/Egypt/D4905B/2012 | 12800 | 6400 | 204800 | 200 | <10 | 4096 | 64 |
| A/chicken/Egypt/S5018C/2012 | 12800 | 800 | 25600 | 800 | <10 | 4096 | 64 |
| A/chicken/Egypt/S5018D/2012 | 25600 | 12800 | 204800 | 1600 | <10 | 4096 | 64 |
| A/chicken/Egypt/S5440E/2012 | 12800 | 800 | 102400 | 800 | <10 | 2048 | 64 |
| A/chicken/Egypt/S5442C/2012 | 12800 | 800 | 102400 | 400 | <10 | 2048 | 64 |
| A/chicken/Egypt/S5442E/2012 | 25600 | 3200 | 102400 | 800 | <10 | 4096 | 256 |
| A/chicken/Egypt/D5490B/2012 | 25600 | 12800 | 204800 | 400 | <10 | 4096 | 64 |
| A/chicken/Egypt/S7022D/2013 | 26500 | 12800 | 204800 | <100 | <10 | 4096 | 64 |
| A/chicken/Egypt/S7025E/2013 | 12800 | <100 | 51200 | <100 | <10 | 4096 | 64 |
| A/chicken/Egypt/D7099/2013 | 25600 | 800 | 204800 | 100 | <10 | 4096 | 128 |
| A/chicken/Egypt/D7100/2013 | 12800 | 400 | 204800 | 100 | <10 | 4096 | 128 |
| A/chicken/Egypt/D7108E/2013 | 25600 | 25600 | 204800 | 400 | <10 | 4096 | 64 |
| A/chicken/Egypt/S7404/2013 | 25600 | 3200 | 204800 | 400 | <10 | 2048 | 128 |
| A/chicken/Egypt/D7436C/2013 | 12800 | 6400 | 204800 | 100 | <10 | 4096 | 64 |
| A/turkey/Israel/1567/2004 | 51200 | 3200 | 51200 | 6400 | <10 | <10 | 512 |
| A/quail/Lebanon/272/2010 | 1600 | 3200 | 51200 | 100 | <10 | 128 | 2048 |
| A/quail/UAE/D1556/2011 | - | - | - | - | 320 | - | - |
“-”Not done. Bold font indicates cross-reactivity of the antibody with its homologous virus.