Table 5.
Antigenic characterisation of the 2014 isolate by haemagglutination inhibition assay using ferret antisera.
| Reference Ferret Antisera | ||||||
|---|---|---|---|---|---|---|
| Reference Virus Strain | A/eq/NM/1/93 Am | A/eq/NM/2/93 Eu | A/eq/SA/4/03 FCL1 | A/eq/DL/1/09 FCL1 | A/eq/MH/1/07 FCL2 | A/eq/KE/2/12 FCL2 |
| A/eq/NM/1/93 | 181 | 32 | 181 | 256 | 724 | 1024 |
| A/eq/NM/2/93 | 64 | 256 | 64 | 64 | 256 | 256 |
| A/eq/SA/4/03 | 64 | 32 | 1448 | 1024 | 512 | 512 |
| A/eq/DL/1/09 | 256 | 128 | 1024 | 2896 | 256 | 256 |
| A/eq/MH/1/07 | 362 | 128 | 181 | 256 | 724 | 512 |
| A/eq/KE/2/12 | 181 | 91 | 128 | 256 | 1024 | 1024 |
| A/eq/Clare/2/14 | 181 | 91 | 128 | 256 | 1024 | 1024 |
A/eq/NM/1/93 = A/eq/Newmarket/1/93; Am = American lineage; A/eq/NM/2/93 = A/eq/Newmarket/2/93; Eu = European lineage; A/eq/SA/4/03 = A/eq/SouthAfrica/4/03; FCL1 = Florida sublineage Clade 1; A/eq/DL/1/09 = A/eq/Donegal/1/09; A/eq/MH/1/07 = A/eq/Meath/1/07; FCL2 = Florida sublineage Clade 2; A/eq/ KE/2/12 = A/eq/Kildare/2/12. Homologous titres are indicated in bold.